Segment Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012		Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Segment Reporting Information [Line Items]
Revenues from external customers	$ 362,164		$ 389,673	$ 411,390	$ 428,449	$ 466,471		$ 490,851	$ 515,997	$ 486,751	$ 1,591,676		$ 1,960,070		$ 1,729,211
Intersegment revenues											0		0		0
Depreciation and amortization											225,297		213,783		166,946
Other operating expenses											1,336,215		1,539,341		1,308,489
Operating income (loss)											30,164		206,946		253,776
Interest expense, net of amounts capitalized											55,204		53,566		40,849
Loss on early extinguishment of debt											0		0		46,451
Income (loss) from continuing operations before tax											(24,237)		160,029		175,453
Long-lived assets	2,081,317					2,171,794					2,081,317		2,171,794		1,998,557
Total assets	2,587,470					2,761,588					2,587,470		2,761,588		2,599,120
Capital expenditures, excluding acquisitions											164,137		447,160		359,097
U.S.
Segment Reporting Information [Line Items]
Revenues from external customers											1,376,969		1,626,768		1,530,087
Intersegment revenues											10,630		43,867		7,870
Depreciation and amortization											181,976		182,502		142,257
Other operating expenses											1,002,661		1,158,925		1,030,224
Operating income (loss)											192,332		285,341		357,606
Interest expense, net of amounts capitalized											1		17		37
Loss on early extinguishment of debt															0
Income (loss) from continuing operations before tax											192,539		285,846		358,072
Long-lived assets	1,637,969	[1]				1,724,239	[1]				1,637,969	[1]	1,724,239	[1]	1,851,148	[1]
Total assets	2,785,299					2,513,688					2,785,299		2,513,688		2,330,061
Capital expenditures, excluding acquisitions											125,518		248,023		298,342
International
Segment Reporting Information [Line Items]
Revenues from external customers											214,707		333,302		199,124
Intersegment revenues											8,715		6,273		9,481
Depreciation and amortization											30,227		19,643		13,515
Other operating expenses											211,137		250,667		146,688
Operating income (loss)											(26,657)		62,992		38,921
Interest expense, net of amounts capitalized											62		172		18
Loss on early extinguishment of debt															0
Income (loss) from continuing operations before tax											(26,795)		68,036		41,936
Long-lived assets	333,273	[1]				334,329	[1]				333,273	[1]	334,329	[1]	223,034	[1]
Total assets	497,938					541,882					497,938		541,882		414,780
Capital expenditures, excluding acquisitions											19,541		171,095		45,045
Functional Support
Segment Reporting Information [Line Items]
Revenues from external customers											0	[2]	0	[2]	0	[2]
Intersegment revenues											509	[2]	15	[2]	707	[2]
Depreciation and amortization											13,094	[2]	11,638	[2]	11,174	[2]
Other operating expenses											122,417	[2]	129,749	[2]	131,577	[2]
Operating income (loss)											(135,511)	[2]	(141,387)	[2]	(142,751)	[2]
Interest expense, net of amounts capitalized											55,141	[2]	53,377	[2]	40,794	[2]
Loss on early extinguishment of debt															46,451
Income (loss) from continuing operations before tax											(189,981)	[2]	(193,853)	[2]	(224,555)	[2]
Long-lived assets	301,032	[1],[2]				286,369	[1],[2]				301,032	[1],[2]	286,369	[1],[2]	233,739	[1],[2]
Total assets	(181,940)	[2]				153,665	[2]				(181,940)	[2]	153,665	[2]	394,864	[2]
Capital expenditures, excluding acquisitions											19,078	[2]	28,042	[2]	15,710	[2]
Reconciling Eliminations
Segment Reporting Information [Line Items]
Revenues from external customers											0		0		0
Intersegment revenues											(19,854)		(50,155)		(18,058)
Depreciation and amortization											0		0		0
Other operating expenses											0		0		0
Operating income (loss)											0		0		0
Interest expense, net of amounts capitalized											0		0		0
Loss on early extinguishment of debt															0
Income (loss) from continuing operations before tax											0		0		0
Long-lived assets	(190,957)	[1]				(173,143)	[1]				(190,957)	[1]	(173,143)	[1]	(309,364)	[1]
Total assets	(513,827)					(447,647)					(513,827)		(447,647)		(540,585)
Capital expenditures, excluding acquisitions											$ 0		$ 0		$ 0

[1] Long lived assets include: fixed assets, goodwill, intangibles and other assets.

[2] Functional Support is geographically located in the United States.