Leased Assets and Liabilities (Lease Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lease Cost
Operating lease expense	$ 87,876	$ 67,041	$ 62,269
Finance lease expense
Amortization of leased assets	13,043	12,321	9,191
Interest on lease liabilities	3,407	3,323	2,826
Variable lease expense	28,018	26,870	33,924
Sublease income	(466)	(1,086)	(1,761)
Total expense	$ 131,878	$ 108,469	$ 106,449