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Stock-Based Compensation (Detail) - (Table 1)
12 Months Ended
Dec. 31, 2013
May 25, 2012
May 22, 2009
May 27, 2007
May 26, 2006
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]          
Common stock authorized 23,466,000 23,466,000 13,716,000 5,231,250 4,050,000
Stock-based awards, including restricted stock and stock options granted, net of expired or cancelled (17,986,000)        
Common stock available for grant of stock-based awards as of June 30, 2012 5,480,000