Leases (Future Lease Payments) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Operating Leases
2020 (excluding the three months ended March 31, 2020)	$ 31,199
2021	34,324
2022	28,631
2023	23,441
2024	18,316
Thereafter	85,691
Total future minimum lease payments	221,602
Less: Imputed interest	(37,730)
Total	183,872	$ 187,631
Other current liabilities	36,841	36,108
Operating lease liabilities	147,031	151,523
Total operating leases liabilities	183,872	187,631
Finance Lease, Liability, Payment, Due [Abstract]
2020 (excluding the three months ended March 31, 2020)	3,899
2021	4,056
2022	2,741
2023	1,384
2024	335
Thereafter	55
Total future minimum lease payments	12,470
Less: Imputed interest	(770)
Total	11,700	11,788
Debt due within one year	4,653
Long-term debt due after one year	7,047
Total	$ 11,700	$ 11,788