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Stockholders' Equity - Additional Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
0 Months Ended 9 Months Ended 12 Months Ended 23 Months Ended
Apr. 24, 2012
Sep. 26, 2014
Dec. 31, 2013
Mar. 28, 2014
Equity [Abstract]        
Authorized stock repurchase value $ 25   $ 220  
Increase in stock repurchase program   80 195  
Stock Repurchased and Retired During Period, Shares       36.3
Weighted average purchase price per share       $ 6.19
Common stock repurchased and retired, aggregate value       224.6
Remaining authorized repurchase amount       $ 75.4