Cash Flows (Summary of Non-Cash Activities and Other Supplemental Data) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Non-Cash Investing and Financing Activities:
Operating lease additions	$ 7,527	$ 29,078
Capital expenditures incurred but not yet paid	5,481	1,471
Contingent consideration for purchase of noncontrolling interests	2,806	0
Supplemental Data:
Cash interest paid	105,827	99,890
Income taxes paid, net	$ 39,322	$ 48,941