Segment and Geographic Area Information Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Property and equipment, net	$ 4,215,063	$ 3,788,482
North American Operations [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	3,433,669	3,269,604
Australian Operations [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	465,123	506,154
U.K./European Operations [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	$ 316,271	$ 12,724