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Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Nov. 03, 2016	Aug. 31, 2013
Debt Instrument [Line Items]
Capital Leases	$ 1,529	$ 1,018
Total	1,873,904	1,892,776
Less - current portion	(49,748)	(129,809)
Long-term portion	1,824,156	1,762,967
Revolving Credit Facility
Debt Instrument [Line Items]
Unamortized discount and debt issuance cost	2,801	3,850
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	855,321	796,150
Other Borrowings
Debt Instrument [Line Items]
Long-term debt	9,150	1,153
Senior Notes Due 2026
Debt Instrument [Line Items]
Long-term debt	$ 747,590	$ 747,474
Stated interest rate (as a percent)	3.45%	3.45%
Unamortized discount and debt issuance cost	$ 2,410	$ 2,526
Senior Notes Due 2026 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	747,590	747,474
Stated interest rate (as a percent)			3.45%
4.375% Senior Notes, due 2023
Debt Instrument [Line Items]
Long-term debt	$ 248,502	$ 248,310
Stated interest rate (as a percent)	4.375%	4.375%
Unamortized discount and debt issuance cost	$ 1,498	$ 1,690
4.375% Senior Notes, due 2023 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	248,502	248,310
Stated interest rate (as a percent)				4.375%
Schuldschein Loan
Debt Instrument [Line Items]
Long-term debt	$ 11,812	$ 98,671