Segment Reporting (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 1,729,150	$ 1,724,418	$ 1,703,744	$ 1,629,672	$ 1,672,743	$ 1,669,066	$ 1,662,931	$ 1,567,153	$ 6,786,984	$ 6,571,893	$ 6,638,774
Long-lived assets:	8,893,592				8,899,705				8,893,592	8,899,705	7,901,480
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									5,892,384	5,603,697	5,614,037
Long-lived assets:	7,854,845				7,817,628				7,854,845	7,817,628	6,790,946
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									387,713	408,325	435,280
Long-lived assets:	532,403				504,027				532,403	504,027	530,316
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									339,420	391,339	400,853
Long-lived assets:	472,027				545,630				472,027	545,630	553,467
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									139,176	139,583	158,481
Long-lived assets:	33,979				31,993				33,979	31,993	26,230
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									28,291	28,949	30,123
Long-lived assets:	338				427				338	427	521
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									894,600	968,196	1,024,737
Long-lived assets:	$ 1,038,747				$ 1,082,077				$ 1,038,747	$ 1,082,077	$ 1,110,534