Condensed Consolidating Financial Statements Condensed Consolidating Financial Statements (Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	$ 71,237	$ 61,517
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	5,550	0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	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
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	(119,581)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	(6,153)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0
Other Comprehensive Income (Loss), before Tax	(6,153)
Income tax (expense) benefit	0
Other Comprehensive Income (Loss), Net of Tax	(6,153)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	(125,734)
Comprehensive Loss, Net of Tax, Attributable to Noncontrolling Interest	0
Comprehensive income	(125,734)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	71,367
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	6,153
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	786
Other Comprehensive Income (Loss), before Tax	6,939
Income tax (expense) benefit	(290)
Other Comprehensive Income (Loss), Net of Tax	6,649
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	78,016
Comprehensive Loss, Net of Tax, Attributable to Noncontrolling Interest	0
Comprehensive income	78,016
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	122,751
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	6,153
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0
Other Comprehensive Income (Loss), before Tax	6,153
Income tax (expense) benefit	0
Other Comprehensive Income (Loss), Net of Tax	6,153
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	128,904
Comprehensive Loss, Net of Tax, Attributable to Noncontrolling Interest	422
Comprehensive income	129,326
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	(3,300)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	(603)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0
Other Comprehensive Income (Loss), before Tax	(603)
Income tax (expense) benefit	0
Other Comprehensive Income (Loss), Net of Tax	(603)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	(3,903)
Comprehensive Loss, Net of Tax, Attributable to Noncontrolling Interest	(292)
Comprehensive income	$ (4,195)