Equity and Accumulated Other Comprehensive Loss, Net (Schedule of Accumulated Other Comprehensive Loss, Net) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	$ 5,132,297
Balance at end of period	5,070,445
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(175,642)
Net current period change	16,354
Reclassification to interest expense from interest rate swaps	0
Balance at end of period	(159,288)
Cash flow hedge adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	40,037
Net current period change	(4,305)
Reclassification to interest expense from interest rate swaps	1,016
Balance at end of period	36,748
Accumulated other comprehensive income (loss), net
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(135,605)
Net current period change	12,049
Reclassification to interest expense from interest rate swaps	1,016
Balance at end of period	$ (122,540)