Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Revenue, Net	$ 524,554	$ 381,961
Operating expenses
Cost of Revenue	211,019	136,679
Selling, general and administrative (including charges (credits) from related parties of $2,721, $(206) and $57,004, respectively)	151,508	99,453
Depreciation and amortization	14,394	18,345
Total Operating Expenses	376,921	254,477
Operating Income	147,633	127,484
Other income (expense)
Interest expense	(31,772)	(29,369)
Interest income	341	253
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	(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
Basic net income (loss) per share
Income From Continuing Operations	$ 1.00	$ 0.86
Income from discontinued operations	$ (0.01)	$ 0.00
Net Income	$ 0.99	$ 0.86
Diluted net income (loss) per share
Income From Continuing Operations	$ 0.99	$ 0.85
Income from discontinued operations	$ (0.01)	$ 0.00
Net Income	$ 0.98	$ 0.85
Weighted average common shares
Basic Weighted Average Common Shares	71,775	71,290
Diluted Weighted Average Common Shares	72,759	72,547