Segment Information Property & Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	$ 4,208,706	$ 4,215,063
North American Operations [Member]
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	3,462,559	3,433,669
Australian Operations [Member]
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	452,455	465,123
U.K./European Operations [Member]
Segment Reporting, Property and Equipment by Segment [Line Items]
Property and equipment, net	$ 293,692	$ 316,271