Schedule of Assets by Reportable Segment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information
Receivables, net	$ 458,094	$ 311,808	$ 281,764
Inventory	1,076,952	900,803	736,846
Property and Equipment, net	546,651	494,379	424,098
Other unallocated assets	2,437,077	2,016,466	1,756,996
Total Assets	4,518,774	3,723,456	3,199,704
North America
Segment Reporting Information
Receivables, net	277,395	241,627	230,871
Inventory	748,167	750,565	636,145
Property and Equipment, net	447,528	434,010	380,282
Europe
Segment Reporting Information
Receivables, net	180,699	70,181	50,893
Inventory	328,785	150,238	100,701
Property and Equipment, net	$ 99,123	$ 60,369	$ 43,816