Leased Assets and Liabilities (Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flow Information
Operating cash outflows - operating leases	$ 84,024	$ 65,012	$ 59,748
Operating cash outflows - finance leases	3,407	3,323	2,826
Financing cash outflows - finance leases	12,154	11,091	7,707
Leased assets obtained in exchange for new lease obligations
Operating leases	74,778	135,359	48,662
Finance leases	$ 9,158	$ 20,927	$ 30,840