Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions		3 Months Ended		9 Months Ended
	Oct. 04, 2015	Oct. 04, 2015	Sep. 28, 2014	Oct. 04, 2015	Sep. 28, 2014	Aug. 31, 2015	May. 31, 2015	Jan. 31, 2015	Aug. 31, 2014	Jan. 31, 2014
Stockholders Equity Note Disclosure [Line Items]
Stock repurchase program, intend to repurchase								$ 300,000,000
Repurchase of stock, shares	11.9
Repurchase of stock, value	$ 226,800,000
Common stock average price	$ 19.09
Dividends payable, amount per share						$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06
Dividend payment		$ 12,600,000	$ 12,800,000	$ 38,434,000	$ 24,428,000
Maximum
Stockholders Equity Note Disclosure [Line Items]
Stock repurchase program, authorized amount								$ 500,000,000