Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	$ 71,237	$ 61,517
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	5,550	0
Unrealized gain (loss) on interest rate swaps	786	1,852
Other Comprehensive Income (Loss), before Tax	6,336	1,852
Income tax (expense) benefit	(290)	(687)
Other Comprehensive Income (Loss), Net of Tax	6,046	1,165
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	77,283	62,682
Comprehensive Loss, Net of Tax, Attributable to Noncontrolling Interest	130	0
Comprehensive income	$ 77,413	$ 62,682