Stockholders' Equity - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended		1 Months Ended	3 Months Ended	9 Months Ended	18 Months Ended	1 Months Ended
	Sep. 27, 2013	Jul. 16, 2013	Jan. 28, 2013	Sep. 27, 2013	Sep. 27, 2013	Sep. 27, 2013	May 24, 2013 Dutch auction [Member]	Feb. 19, 2013 Common Stock [Member]	Jan. 28, 2013 Common Stock [Member]
Stock Repurchase Program [Line Items]
Authorized stock repurchase value		$ 220	$ 25
Increase in stock repurchase program		85.0						35.0	75.0
Common stock repurchased and retired, shares				1.1	4.5
Common stock repurchased and retired, aggregate value				7.7	27.6	125.2
Tender offer to repurchased and retired of common stock, shares							12.0
Sale of common stock price per share							$ 6.25
Tender offer to repurchase of common stock, cost							76.0
Fees and expenses on repurchase of common stock							1.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 94.8