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, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period	$ 27,447	$ 42,057	$ 36,249	$ 29,657
Amounts settled	(2,612)	(3,103)	(6,302)	(8,785)
Changes in fair value recorded in earnings	(1,435)	(1,407)	(6,771)	17,100
Effect of currency translation	(188)	162	36	(263)
Changes in Fair Value Recorded in Earnings			(6,771)
Amounts Settled and Other			(6,266)
End of period	23,212	$ 37,709	23,212	$ 37,709
Auxilium acquisition
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period			14,484
Changes in Fair Value Recorded in Earnings			(276)
Amounts Settled and Other			(1,975)
End of period	12,233		12,233
Lehigh Valley Technologies, Inc. acquisitions
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period			13,100
Changes in Fair Value Recorded in Earnings			(6,853)
Amounts Settled and Other			(2,947)
End of period	3,300		3,300
Other
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning of period			8,665
Changes in Fair Value Recorded in Earnings			358
Amounts Settled and Other			(1,344)
End of period	$ 7,679		$ 7,679