Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Revenue, Net	$ 522,093	$ 379,322	$ 1,046,647	$ 761,283
Operating expenses
Cost of Revenue	232,044	137,656	449,215	274,335
Selling, general and administrative (including charges (credits) from related parties of $2,721, $(206) and $57,004, respectively)	141,890	108,978	287,246	208,431
Restructuring Charges	1,153	0	1,153	0
Depreciation and amortization	17,531	18,308	31,925	36,653
Gain (Loss) Related to Litigation Settlement	0	(132,944)	0	(132,944)
Total Operating Expenses	392,618	131,998	769,539	386,475
Operating Income	129,475	247,324	277,108	374,808
Other income (expense)
Interest expense	(33,923)	(27,768)	(65,695)	(57,137)
Interest income	318	169	659	422
Miscellaneous, net	869	(144)	(4,241)	(346)
Total nonoperating income (expense)	(32,736)	(27,743)	(69,277)	(57,061)
Income from continuing operations before income taxes	96,739	219,581	207,831	317,747
Income tax expense	(36,559)	(83,850)	(75,664)	(120,499)
Income from continuing operations	60,180	135,731	132,167	197,248
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(1,732)	0	(2,482)	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	58,448	135,731	129,685	197,248
Net (Income) Loss Attributable to Noncontrolling Interest	207	0	337	0
Net Income (Loss) Attributable to Parent	$ 58,655	$ 135,731	$ 130,022	$ 197,248
Basic net income (loss) per share
Income From Continuing Operations	$ 0.84	$ 1.90	$ 1.84	$ 2.76
Income from discontinued operations	$ (0.02)	$ 0.00	$ (0.03)	$ 0.00
Net Income	$ 0.81	$ 1.90	$ 1.81	$ 2.76
Diluted net income (loss) per share
Income From Continuing Operations	$ 0.83	$ 1.87	$ 1.83	$ 2.72
Income from discontinued operations	$ (0.02)	$ 0.00	$ (0.03)	$ 0.00
Net Income	$ 0.81	$ 1.87	$ 1.80	$ 2.72
Weighted average common shares
Basic Weighted Average Common Shares	72,043	71,568	71,910	71,430
Diluted Weighted Average Common Shares	72,802	72,643	72,343	72,613