Business Acquisitions (Intangible Assets Acquired as Part of Business Combination) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2019	Dec. 11, 2017
Colfax, Inc. Fluid Handing Business [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired			$ 385,000	$ 388,000
Total intangible assets			385,000	388,000
Trade Names [Member] | Colfax, Inc. Fluid Handing Business [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired			41,000	44,000
Customer Relationships [Member] | Colfax, Inc. Fluid Handing Business [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired			215,000	215,000
Weighted average amortization period (in years)	19 years
Order or Aftermarket Backlog [Member] | Colfax, Inc. Fluid Handing Business [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired			16,000	22,000
Weighted average amortization period (in years)	4 years
Order or Aftermarket Backlog [Member] | Downstream [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)		2 years
Technology-Based Intangible Assets [Member] | Colfax, Inc. Fluid Handing Business [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired			$ 113,000	$ 107,000
Weighted average amortization period (in years)	20 years
Technology-Based Intangible Assets [Member] | Downstream [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)		10 years
Minimum [Member] | Customer Relationships [Member] | Downstream [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)		14 years
Maximum [Member] | Customer Relationships [Member] | Downstream [Member]
Business Acquisition [Line Items]
Weighted average amortization period (in years)		15 years