Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenues, net (including revenues, net from related parties of $31,188, $32,195 and $31,885, respectively)	$ 1,591,858	$ 1,352,577	$ 1,187,741
Operating expenses
Technical and operating (excluding depreciation and amortization shown below and including charges from related parties of $324, $620, and $5,040, respectively)	662,233	507,436	425,961
Selling, general and administrative (including charges (credits) from related parties of $2,721, $(206) and $57,004, respectively)	425,735	396,926	335,656
Restructuring credit	0	(3)	(240)
Depreciation and amortization	54,667	85,380	99,848
Litigation settlement gain	(132,944)	0	0
Total Operating Expenses	1,009,691	989,739	861,225
Operating Income	582,167	362,838	326,516
Other income (expense)
Interest expense	(115,860)	(127,778)	(95,870)
Interest income	819	502	1,074
Write-off of deferred financing costs	(4,007)	(1,862)	(6,247)
Loss on extinguishment of debt	(1,087)	(10,774)	(14,726)
Miscellaneous, net	6,969	(652)	(137)
Total nonoperating income (expense)	(113,166)	(140,564)	(115,906)
Income from continuing operations before income taxes	469,001	222,274	210,610
Income tax expense	(178,841)	(86,058)	(84,248)
Income from continuing operations	290,160	136,216	126,362
Income from discontinued operations, net of income taxes	0	314	92
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	290,160	136,530	126,454
Net Income (Loss) Attributable to Noncontrolling Interest	578	0	0
Net Income (Loss) Attributable to Parent	$ 290,738	$ 136,530	$ 126,454
Basic net income (loss) per share
Income From Continuing Operations	$ 4.06	$ 1.94	$ 1.82
Income from discontinued operations	$ 0.00	$ 0.00	$ 0.00
Net Income	$ 4.06	$ 1.94	$ 1.83
Diluted net income (loss) per share
Income From Continuing Operations	$ 4.00	$ 1.89	$ 1.79
Income from discontinued operations	$ 0.00	$ 0.00	$ 0.00
Net Income	$ 4.00	$ 1.89	$ 1.79
Weighted average common shares
Basic Weighted Average Common Shares	71,543	70,374	69,283
Diluted Weighted Average Common Shares	72,703	72,236	70,731