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Schedule of Intangible Assets Schedule of Intangible Assets [Table Text Block] Tabular disclosure of the amount of intangible assets. 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Plans, Defined Benefit [Member] Domestic Plan [Member] Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Trading Symbol Trading Symbol United States UNITED STATES Net earnings (in dollars per basic share) Earnings Per Share, Basic Recognized actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Capital Leases, Future Minimum Payments Due Thereafter Capital Leases, Future Minimum Payments Due Thereafter Document Period End Date Document Period End Date Raw materials Inventory, Raw Materials, Gross Disaggregation of Revenue [Abstract] Stock-based compensation expense [Abstract] Stock-based compensation expense [Abstract] Finance Lease, Liability, Noncurrent Finance Lease, Liability, Noncurrent Share Repurchase Program [Axis] Share Repurchase Program [Axis] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Cumulative Effect of New Accounting Principle in Period of Adoption Cumulative Effect of New Accounting Principle in Period of Adoption Europe [Member] Europe [Member] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2014-09 [Member] Corporate, Non-Segment [Member] Corporate, Non-Segment [Member] Schedule of Indefinite-lived Intangible Assets by Major Class [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Spin-Off of Apergy Corporation [Table Text Block] Assets and Liabilities of Apergy Upon Spin Off [Table Text Block] Assets and Liabilities of Apergy Upon Spin Off [Table Text Block] Finance Lease, Liability, Undiscounted Excess Amount Finance Lease, Liability, Undiscounted Excess Amount Cost of Sales [Member] Cost of Sales [Member] Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Dividend yield (in hundredths) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Gross carrying amount Indefinite-lived Intangible Assets (Excluding Goodwill) Change in commercial paper and notes payable Proceeds from (Repayments of) Commercial Paper Employee Severance [Member] Employee Severance [Member] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Total pension and other postretirement benefit plans Total pension and other postretirement benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Cost of goods and services Cost of Goods and Services Sold Finance Lease, Liability, Payments, Due Finance Lease, Liability, Payments, Due Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Industrials End Market [Member] Industrials end market [Member] Industrials end market [Member] Share-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Accrued insurance Accrued Insurance, Current Diluted earnings per share [Abstract] Business acquisition, Pro Forma Information, Diluted earnings per share from continuing operations: [Abstract] Total assets Assets Net periodic (income)/expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Revenue from Contract with Customer Performance Obligations [Abstract] Revenue from Contract with Customer Performance Obligations [Abstract] Net Periodic Benefit Cost, Non-Service Components Defined Benefit Plan, Other Cost (Credit) Loss on assets held for sale Gain (Loss) on Sale of Assets and Asset Impairment Charges Gain (Loss) on Sale of Assets and Asset Impairment Charges Supplemental Cash Flow Disclosures [Table] Supplemental Cash Flow Disclosures [Table] Supplemental Cash Flow Disclosures Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Document Fiscal Period Focus Document Fiscal Period Focus Document Type Document Type Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table Text Block] Discontinued Operation, Operating Earnings Disposal Group, Including Discontinued Operation, Operating Income (Loss) Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Tax Identification Number Entity Tax Identification Number Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Income Statement [Abstract] Prior service cost (credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Total segments [Member] Total segments [Member] Effective tax rate (in hundredths) Effective Income Tax Rate Reconciliation, Percent February 2018 Authorization [Member] February 2018 Authorization [Member] February 2018 Authorization [Member] January 2015 Authorization [Member] January 2015 Authorization [Member] January 2015 Authorization [Member] Amortization expense Amortization of Intangible Assets Goodwill [Roll Forward] Goodwill [Roll Forward] Entity Interactive Data Current Entity Interactive Data Current (Loss) gain on euro-denominated debt TranslationAdjustmentForNetInvestmentHedgeIncreaseDecrease Current period adjustment in other comprehensive income reflecting gains or losses on foreign currency transactions that are designated as, and are effective as, hedges of a net investment in a foreign entity. Ettiingler [Member] Ettlinger [Member] Ettiingler [Member] Machinery, equipment and other [Member] Equipment [Member] Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Net distribution to Apergy Corporation DisposalGroupIncludingDiscontinuedOperationsNetDistribution DisposalGroupIncludingDiscontinuedOperationsNetDistribution Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Total current assets Assets, Current Other comprehensive earnings (loss), tax Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Lessee, Operating Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Hedging Designation [Domain] Hedging Designation [Domain] Contract liabilities - non-current Contract with Customer, Liability, Noncurrent Dividends paid Dividends, Common Stock, Cash Effective Income Tax Rate Reconciliation, Deduction, Percent Effective Income Tax Rate Reconciliation, Deduction, Percent Acquisitions, net of cash and cash equivalents acquired Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Pro forma (in dollars per share) Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax, Per Share, Diluted Total current liabilities Liabilities, Current Buildings and improvements [Member] Building and Building Improvements [Member] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Debenture due 2035 [Member] Debenture due 2035 [Member] Debenture due October 15, 2035. New ROU Operating Lease New ROU assets New ROU assets Debt Instrument, Face Amount Debt Instrument, Face Amount Interest Income Interest Income, Other Local Phone Number Local Phone Number Retirement Plan Type [Domain] Retirement Plan Type [Domain] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Foreign Currency Translation Goodwill, Foreign Currency Translation Gain (Loss) Total liabilities and stockholders' equity Liabilities and Equity Pro forma Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Two Years Receivables, net of allowances Accounts Receivable, Net, Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fluids Segment [Member] Fluids Segment [Member] Fluids Segment [Member] Leases of Lessee Disclosure [Text Block] Leases of Lessee Disclosure [Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Equity Components [Axis] Equity Components [Axis] Equity awards issued during period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Components of Inventory Schedule of Inventory, Current [Table Text Block] Earnings from continuing operations As reported Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Award Type [Axis] Award Type [Axis] Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Stock-based incentive plans compensation expense Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Total cash flow hedges Total cash flow hedges Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Amortization of actuarial losses Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Weighted average shares outstanding - diluted Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Intersegment Eliminations [Member] Intersegment Eliminations [Member] Share-based Compensation [Abstract] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Provision Restructuring and Related Cost, Incurred Cost Interest cost Defined Benefit Plan, Interest Cost Fair value of derivative instruments and the balance sheet lines in which they are recorded Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Supplemental Employee Retirement Plans, Defined Benefit [Member] Supplemental Employee Retirement Plan [Member] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Other, including foreign currency translation Restructuring Reserve, Accrual Adjustment Cash Provided by (Used in) Operating Activities, Discontinued Operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Operating Leases, Future Minimum Payments, Due Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Line of Credit Facility, Covenant Compliance Line of Credit Facility, Covenant Compliance Less reserves Inventory Valuation Reserves Share Repurchases [Line Items] Share repurchase [Line Items] Share repurchase [Line Items] Disaggregation of Revenue [Table Text Block] Revenue from External Customers by Products and Services [Table Text Block] Discontinuing Operations [Member] Discontinued Operations [Member] Discontinued Operations [Member] Foreign Currency Translation Gains (Losses) Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses) Other, net Stockholders' Equity, Other Other comprehensive earnings other adjustment, net of tax [Abstract] Other Comprehensive Income Other Adjustment Net Of Tax [Abstract] Other Comprehensive Income Other Adjustment Net Of Tax [Abstract] Net earnings Net earnings Net Income (Loss) Attributable to Parent Refrigeration End Market [Member] Refrigeration End Market [Member] Refrigeration End Market [Member] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Variable Lease, Cost Variable Lease, Cost Earnings before provision for income taxes Earnings before provision for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Revenue, Performance Obligation Satisfied at Point in Time, Transfer of Control Revenue, Performance Obligation Satisfied at Point in Time, Transfer of Control Percentage Revenue, Performance Obligation Satisfied at Point in Time, Transfer of Control Percentage Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Share repurchases Treasury Stock, Shares, Acquired Adjustments to reconcile net earnings to cash from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Components of other comprehensive income Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Entity Small Business Entity Small Business Entity File Number Entity File Number Schedule of amounts reclassified from accumulated other comprehensive income (loss) to earnings Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income Loss to Earnings [Table Text Block] Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income Loss to Earnings [Table Text Block] Operating Lease, Liability, Current Operating Lease, Liability, Current Scenario, Forecast [Member] Scenario, Forecast [Member] Pro forma results of operations Business Acquisition, Pro Forma Information [Table Text Block] Commitments and Contingent Liabilities Commitments and Contingencies Disclosure [Text Block] Process Solutions End Market [Member] Process Solutions End Market [Member] Process Solutions End Market [Member] Net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Accelerated Share Repurchases, Settlement (Payment) or Receipt Accelerated Share Repurchases, Settlement (Payment) or Receipt Proceeds from sale of property, plant, and equipment Proceeds from Sale of Property, Plant, and Equipment Other long term debt instruments [Member] Other long term debt instruments [Member] Other long term debt instruments Schedule of Defined Benefit Plans Disclosures Schedule of Defined Benefit Plans Disclosures [Table Text Block] Discontinued Operation, Tax Effect of Discontinued Operation Discontinued Operation, Tax Effect of Discontinued Operation Qualified Plan [Member] Qualified Plan [Member] Fair Value - Asset Derivative Asset, Fair Value, Gross Asset Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Transition obligation Defined Benefit Plan, Amortization of Transition Asset (Obligation) Depreciation and amortization Depreciation, Depletion and Amortization Finance Lease, Right-of-Use Asset Finance Lease, Right-of-Use Asset Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Performance share attainment Performance Share Attainment Current expected payout of performance condition awards based on company performance relative to established internal metrics. Proceeds from sale of businesses Proceeds from Divestiture of Businesses Other Comprehensive Income Loss Other Adjustment Tax Other Comprehensive Income Loss Other Adjustment Tax Other Comprehensive Income Loss Other Adjustment Tax Diluted earnings (loss) per common share: Earnings Per Share, Diluted [Abstract] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Short-term borrowings [Abstract] Debt, Current [Abstract] Discontinued Operation, Revenue Disposal Group, Including Discontinued Operation, Revenue Current liabilities: Liabilities, Current [Abstract] Amortization of prior service costs Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Selling, General and Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] Loss from discontinued operations Loss (earnings) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Selling, General and Administrative Expense Selling, General and Administrative Expense Change in Contract with Customer, Asset and Liability [Abstract] Remaining number of shares authorized to be repurchased Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Accelerated Shares Repurchased Accelerated Shares Repurchased Accelerated Shares Repurchased Revenue As reported Revenue from Contract with Customer, Excluding Assessed Tax Other Comprehensive Income Loss Reclassification Adjustment from AOCI Foreign Currency Translation Net of Tax [Abstract] Other Comprehensive Income Loss Reclassification Adjustment from AOCI Foreign Currency Translation Net of Tax [Abstract] Other Comprehensive Income Loss Reclassification Adjustment from AOCI Foreign Currency Translation Net of Tax [Abstract] Impairment of Long-Lived Assets to be Disposed of Impairment of Long-Lived Assets to be Disposed of Income Taxes Income Tax Disclosure [Text Block] Assets [Abstract] Assets, Fair Value Disclosure [Abstract] Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments, Due in Four Years Segment Reporting [Abstract] Statement of Cash Flows [Abstract] Interest Expense Interest Expense Goodwill and Intangible Assets Disclosure [Abstract] Other comprehensive earnings (loss), before Tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Earnings (loss) per share from discontinued operations (in dollars per diluted share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Effect of Exchange Rate on Cash and Cash Equivalents Effect of Exchange Rate on Cash and Cash Equivalents Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Drawings and Manuals [Member] Drawings and Manuals [Member] Drawings and Manuals. Capital Leases, Future Minimum Payments Due, Next Twelve Months Capital Leases, Future Minimum Payments Due, Next Twelve Months Derivative Contract Type [Domain] Derivative Contract [Domain] Net Cash Provided by (Used in) Discontinued Operations Net Cash Provided by (Used in) Discontinued Operations Contract liabilities - current Contract with Customer, Liability, Current Net earnings per share: Earnings Per Share [Abstract] Number of shares authorized to be repurchased Stock Repurchase Program, Number of Shares Authorized to be Repurchased Leases [Abstract] Leases [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Earnings (loss) per share from discontinued operations (in dollars per basic share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Net earnings [Abstract] Business Acquisition Proforma Information Net Earnings From Continuing Operations [Abstract] Minimum [Member] Minimum [Member] Common stock acquired, including accelerated share repurchase program Treasury Stock, Value, Acquired, Cost Method Security Exchange Name Security Exchange Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line One Foreign currency translation adjustments, before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Current assets: Assets, Current [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Fixed lease, Cost Operating Lease, Cost Work in progress Inventory, Work in Process, Gross Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Long-term debt Long-term Debt, Excluding Current Maturities Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Statement of Comprehensive Income [Abstract] Other liabilities Other Liabilities, Noncurrent Gross profit Gross Profit Dividends paid to stockholders Payments of Ordinary Dividends, Common Stock New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Earnings Per Share Earnings Per Share [Text Block] Net losses (gains) reclassified into earnings Net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Disposal Group Name [Axis] Disposal Group Name [Axis] Reconciliation of information used in computing basic and diluted earnings per share [Abstract] Earnings Per Share Reconciliation [Abstract] Other accrued expenses Other Liabilities, Current Contract with Customer, Asset and Liability [Table Text Block] Contract with Customer, Asset and Liability [Table Text Block] Maximum [Member] Maximum [Member] Title of 12(b) Security Title of 12(b) Security