Segment Information Property & Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	$ 4,531,419	$ 4,503,319
North American Operations [Member]
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	3,586,131	3,590,625
Australian Operations [Member]
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	662,839	634,148
U.K./European Operations [Member]
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	$ 282,449	$ 278,546