Segment Information - Reconciliation to Income Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of Adjusted OIBDA to income from continuing operations before provision (benefit) for income taxes on a consolidated basis
Adjusted OIBDA	$ 223,228	$ 241,849	$ 454,446	$ 470,373
Less: Depreciation and Amortization	87,549	88,941	173,500	175,374
(Gain) Loss on disposal/write-down of property, plant and equipment (excluding real estate), net	515	(107)	848	1,045
Business Combination, Acquisition Related Costs	5,662	0	5,662	0
REIT Costs	0	5,725	0	14,048
Interest Income (Expense), Net	66,087	62,201	130,985	124,513
Other (Income) Expense, Net	2,004	(4,838)	24,353	479
Income (Loss) from Continuing Operations Before (Benefit) Provision for Income Taxes	$ 61,411	$ 89,927	$ 119,098	$ 154,914