Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Leased Assets [Line Items]
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	$ 125,231
Operating Lease, Payments, Use	$ 129,609
Operating Lease, Weighted Average Remaining Lease Term	4 years 4 months 24 days
Operating Leases, Rent Expense, Net	$ 130,487
Lessee, Operating Lease, Liability, Payments, Due Year Two	90,330
Capital Lease Obligations, Current	(5,919)	$ (5,458)
Operating Leases, Future Minimum Payments Due, Current		80,803
Operating Leases, Future Minimum Payments, Due in Two Years		65,590
Operating Leases, Future Minimum Payments, Due in Three Years		49,052
Operating Leases, Future Minimum Payments, Due in Four Years		37,823
Operating Leases, Future Minimum Payments, Due in Five Years		30,192
Operating Leases, Future Minimum Payments, Due Thereafter	43,105	48,191
Operating Leases, Future Minimum Payments Due		$ 311,651
Lessee, Operating Lease, Liability, Payments, Due Year Four	64,279
Lessee, Operating Lease, Liability, Payments, Due Year Four	44,113
Lessee, Operating Lease, Liability, Payments, Due Year Five	25,467
Lessee, Operating Lease, Liability, Payments, Due	392,525
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(23,195)
Operating Lease, Liability	369,330
Variable Lease, Cost	43,907
Operating Lease, Expense	$ 174,394
Operating Lease, Weighted Average Discount Rate, Percent	3.10%
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 229,107