Schedule of Revenue by Product Category (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue from External Customers
Revenue	$ 1,748,919	$ 1,831,732	$ 1,838,070	$ 1,773,912	$ 1,684,131	$ 1,721,024	$ 1,709,132	$ 1,625,777	$ 7,192,633	$ 6,740,064	$ 5,062,528
Aftermarket, other new and refurbished products
Revenue from External Customers
Revenue									5,116,373	4,613,454	3,034,599
Recycled, remanufactured and related products and services
Revenue from External Customers
Revenue									1,597,578	1,473,305	1,394,981
Other
Revenue from External Customers
Revenue									$ 478,682	$ 653,305	$ 632,948