Supplemental Financial Statement Information (Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Other Income and Expenses [Abstract]
Cash interest paid	$ 134,157	$ 114,752
Cash income tax payments, net of refunds	18,200	16,533
Capital assets obtained under capital lease obligations	$ 4,804	$ 21,665