Fair Value Measurements - Financial Liabilities Measured At Fair Value On Recurring Basis Using Significant Unobservable Inputs (Details) - Acquisition-related contingent consideration - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period	$ 42,057	$ 52,930	$ 29,657	$ 116,703
Amounts settled	(3,103)	(9,376)	(8,785)	(30,541)
Changes in fair value recorded in earnings	(1,407)	16,025	17,100	(26,983)
Effect of currency translation	162	(85)	(263)	315
Changes in Fair Value Recorded in Earnings			17,100
Amounts Settled and Other			(9,048)
End of period	37,709	$ 59,494	37,709	$ 59,494
Auxilium acquisition
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period			13,207
Changes in Fair Value Recorded in Earnings			4,223
Amounts Settled and Other			(1,644)
End of period	15,786		15,786
Lehigh Valley Technologies, Inc. acquisitions
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period			6,800
Changes in Fair Value Recorded in Earnings			11,950
Amounts Settled and Other			(5,250)
End of period	13,500		13,500
Other
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period			9,650
Changes in Fair Value Recorded in Earnings			927
Amounts Settled and Other			(2,154)
End of period	$ 8,423		$ 8,423