6.375% senior notes due May 2026. A 6.375 Senior Notes Due May 2026 [Member] 6.375% Senior Notes Due May 2026 Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Accounting Standards Update 2016-15 [Member] Accounting Standards Update 2016-15 Accounts Payable and Accrued Liabilities Disclosure [Text Block] Other Accrued Expenses and Other Liabilities Accounts Payable, Current Accounts payable Accounts Receivable, Net, Current Receivables Receivables, net of allowances Accrual for Taxes Other than Income Taxes, Current Taxes other than income Accrued Employee Benefits Accrued compensation and employee benefits Accrued Exchange Fee Rebate, Current Accrued rebates Accrued freight travel and transportation expenses. 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Loss Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Foreign Currency Translation Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Finite-Lived Intangible Assets, Remaining Amortization Period Additional Paid in Capital, Common Stock Additional paid-in capital Additional Paid-in Capital [Member] Common Stock, Capital in excess of par value Amortization Amortization Adjustment [Member] Adjustment [Member] Adjustment [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided (required) by operating activities: Advertising Costs, Policy [Policy Text Block] Advertising Costs Advertising Expense Advertising Expense After Fiscal Quarter Ending June 30, 2020 [Member] After Fiscal Quarter Ending June 302020 [Member] After Fiscal Quarter Ending June 30, 2020 Allocated Share-based Compensation Expense, Net of Tax Stock-based compensation expense, net of tax SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Allowance, Credit Loss [Member] Allowance for Doubtful Accounts Receivable, Current Allowance for doubtful accounts receivable Allowance for Doubtful Accounts Receivable, Write-offs Acounts Written Off Amendment Flag Amendment Flag Amortization Expenses Amortization Expenses Amortization expenses Amortization of Intangible Assets Total amortization Artificial Lift [Member] Artificial Lift [Member] Artificial Lift Technologies [Member] Artificial lift technologies. Artificial Lift Technologies [Member] Artificial Lift Technologies [Member] Asia Pacific [Member] Asia Pacific [Member] Assets Assets Total assets Total assets Assets [Abstract] Assets Total assets Assets, Current Total current assets Total current assets Assets, Current [Abstract] Current assets: AUSTRALIA Australia [Member] Automation technologies. 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