Fair Value Measurements (Reconciliation of Changes in Financial Liabilities Fair Value Using Level 3 Inputs) (Details 2) - Level 3 - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Contingent consideration liabilities [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Beginning Balance		$ 14,881	$ 37,174
Acquisition of business		397
Changes in fair value	[1]	(3,317)	(3,720)
Capital contributions		0	0
Accretion of value included in net income	[1]	662	1,041
Settlements or distributions		(1,750)	(19,836)
Foreign currency exchange rate changes			34
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Ending Balance		10,873	14,693
Mandatorily redeemable noncontrolling interest [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Beginning Balance		13,661	9,240
Acquisition of business		0
Changes in fair value	[1]	11,430	96
Capital contributions		242	37
Accretion of value included in net income	[1]	0	0
Settlements or distributions		(184)	(41)
Foreign currency exchange rate changes			0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Ending Balance		$ 25,149	$ 9,332

[1] Changes in fair value and accretion of value of contingent consideration liabilities are included in Selling, general and administrative expenses and the changes in fair value of mandatorily redeemable noncontrolling interest is included in Interest expense in the Company’s Condensed Consolidated Statements of Operations.