Financial Instruments - Effect of Derivative Instruments on the Consolidated Statements of Operations and the Consolidated Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Product revenues		$ 462,100	$ 470,400	$ 468,700	$ 447,300	$ 431,500	$ 416,600	$ 365,600	$ 320,400	$ 1,848,399	$ 1,534,033	$ 1,204,369
Interest expense										(63,235)	(58,196)	(34,024)
Income (loss) from discontinued businesses										(25,863)	20,350	52,937
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax										3,345	2,578	(2,934)
Foreign currency exchange forward contracts | Product revenues / Cost of services and products sold
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax										0	0	(44)
Derivative Not Designated as Hedging Instruments
Amount of Gain (Loss) Recognized in Income on Derivative for the Twelve Months Ended December 31										10,761	(9,052)	6,807
Interest rate swaps | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax										(3,474)	(2,589)	520
Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net										89		0
Interest rate swaps | Cost of Goods and Service Benchmark [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax												0
Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net												0
Interest rate swaps | Discontinued Operation, Gain (Loss) From Disposal Of Discontinued Operation [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax										0	0	(2,741)
Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net	$ (2,700)									0	(2,700)	(2,741)
Cross-currency interest rate swaps | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax										0	(1,015)	(1,219)
Cross-currency interest rate swaps | Cost of Goods and Service Benchmark [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax												0
Cross-currency interest rate swaps | Discontinued Operation, Gain (Loss) From Disposal Of Discontinued Operation [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax											0	0
Foreign Exchange Contract [Member] | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax										0	0	0
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease) Based On Amortization Approach, before Adjustments and Tax										0	0
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax										0
Amount of Gain (Loss) Recognized in Income on Derivative—Ineffective Portion and Amount Excluded from Effectiveness Testing											0	0
Foreign Exchange Contract [Member] | Cost of Goods and Service Benchmark [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax												(44)
Amount of Gain (Loss) Recognized in Income on Derivative—Ineffective Portion and Amount Excluded from Effectiveness Testing												0
Foreign Exchange Contract [Member] | Discontinued Operation, Gain (Loss) From Disposal Of Discontinued Operation [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax										(129)	1,026	550
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease) Based On Amortization Approach, before Adjustments and Tax										(2)	31
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax										62
Amount of Gain (Loss) Recognized in Income on Derivative—Ineffective Portion and Amount Excluded from Effectiveness Testing											197	509
Product
Derivative Instruments, Gain (Loss) [Line Items]
Product revenues										147,503	133,385	145,996
Cost of services and products sold										121,483	101,988	108,054
Services
Derivative Instruments, Gain (Loss) [Line Items]
Product revenues										1,700,896	1,400,648	1,058,373
Cost of services and products sold										$ 1,369,073	$ 1,140,303	$ 822,043