Goodwill and Intangible Assets Net - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill And Intangible Assets [Line Items]
Amortization expense	$ 31,705,000	$ 21,925,000	$ 22,514,000
Leisure
Goodwill And Intangible Assets [Line Items]
Accumulated goodwill impairment losses	$ 2,500,000,000	$ 2,500,000,000