Changes in Intangible Assets Other Than Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Indefinite-Lived Intangible Assets
Indefinite-Lived Intangible Assets, Beginning Balance	$ 1,602,373	$ 1,625,415
Acquisitions	61,730	22,253
Impairment		(14,706)
Dispositions	(67,766)	(30,589)
Indefinite-Lived Intangible Assets, Ending Balance	1,596,337	1,602,373	1,625,415
Definite-Lived Intangible Assets
Definite-Lived Intangible Assets, Beginning Balance	258,761	390,509
Purchase price allocation adjustments		(1,027)
Purchase price allocation adjustments		(1,027)
Acquisitions	152,522	376
Impairment		(12,435)
Dispositions	(8,627)	(6,880)
Amortization	(86,708)	(112,240)	(37,900)
Definite-Lived Intangible Assets, Ending Balance	315,490	258,761	390,509
Intangible Assets, Net
Intangible Assets Total, Beginning Balance	1,860,676	2,015,924
Acquisitions	214,252	22,629
Impairment		(27,141)
Dispositions	(76,393)	(37,469)
Amortization	(86,708)	(112,240)	(37,900)
Intangible Assets Total, Ending Balance	1,911,827	1,860,676	2,015,924
Adjusted Acquired Intangible Assets
Definite-Lived Intangible Assets
Definite-Lived Intangible Assets, Ending Balance		$ 258,303