Condensed Consolidating Financial Statements Condensed Consolidating Financial Statements (Income Statement) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Income Statements, Captions [Line Items]
Revenue, Net	$ 524,554	$ 381,961
Cost of Revenue	211,019	136,679
Selling, General and Administrative Expense	151,508	99,453
Depreciation, Depletion and Amortization, Nonproduction	14,394	18,345
Total Operating Expenses	376,921	254,477
Operating Income	147,633	127,484
Interest Income (Expense), Net	(31,431)
Income (Loss) from Equity Method Investments	0
Miscellaneous, net	(5,110)	(202)
Total nonoperating income (expense)	(36,541)	(29,318)
Income from continuing operations before income taxes	111,092	98,166
Income Tax Expense (Benefit)	(39,105)	(36,649)
Income from continuing operations	71,987	61,517
Income from discontinued operations, net of income taxes	(750)	0
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	71,237	61,517
Net Income (Loss) Attributable to Noncontrolling Interest	130	0
Net Income (Loss) Attributable to Parent	71,367	61,517
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Revenue, Net	0
Cost of Revenue	0
Selling, General and Administrative Expense	0
Depreciation, Depletion and Amortization, Nonproduction	0
Total Operating Expenses	0
Operating Income	0
Interest Income (Expense), Net	0
Income (Loss) from Equity Method Investments	(119,581)
Miscellaneous, net	0
Total nonoperating income (expense)	(119,581)
Income from continuing operations before income taxes	(119,581)
Income Tax Expense (Benefit)	0
Income from continuing operations	(119,581)
Income from discontinued operations, net of income taxes	0
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	(119,581)
Net Income (Loss) Attributable to Noncontrolling Interest	0
Net Income (Loss) Attributable to Parent	(119,581)
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Revenue, Net	0
Cost of Revenue	0
Selling, General and Administrative Expense	0
Depreciation, Depletion and Amortization, Nonproduction	0
Total Operating Expenses	0
Operating Income	0
Interest Income (Expense), Net	(22,232)
Income (Loss) from Equity Method Investments	123,173
Miscellaneous, net	6,342
Total nonoperating income (expense)	107,283
Income from continuing operations before income taxes	107,283
Income Tax Expense (Benefit)	(35,916)
Income from continuing operations	71,367
Income from discontinued operations, net of income taxes	0
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	71,367
Net Income (Loss) Attributable to Noncontrolling Interest	0
Net Income (Loss) Attributable to Parent	71,367
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenue, Net	460,088
Cost of Revenue	181,451
Selling, General and Administrative Expense	126,377
Depreciation, Depletion and Amortization, Nonproduction	8,209
Total Operating Expenses	316,037
Operating Income	144,051
Interest Income (Expense), Net	(8,372)
Income (Loss) from Equity Method Investments	(3,592)
Miscellaneous, net	(6,795)
Total nonoperating income (expense)	(18,759)
Income from continuing operations before income taxes	125,292
Income Tax Expense (Benefit)	(2,541)
Income from continuing operations	122,751
Income from discontinued operations, net of income taxes	0
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	122,751
Net Income (Loss) Attributable to Noncontrolling Interest	422
Net Income (Loss) Attributable to Parent	123,173
Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenue, Net	64,466
Cost of Revenue	29,568
Selling, General and Administrative Expense	25,131
Depreciation, Depletion and Amortization, Nonproduction	6,185
Total Operating Expenses	60,884
Operating Income	3,582
Interest Income (Expense), Net	(827)
Income (Loss) from Equity Method Investments	0
Miscellaneous, net	(4,657)
Total nonoperating income (expense)	(5,484)
Income from continuing operations before income taxes	(1,902)
Income Tax Expense (Benefit)	(648)
Income from continuing operations	(2,550)
Income from discontinued operations, net of income taxes	(750)
Net (Income) Loss, Including Portion Attributable to Noncontrolling Interest	(3,300)
Net Income (Loss) Attributable to Noncontrolling Interest	(292)
Net Income (Loss) Attributable to Parent	$ (3,592)