Stockholders' Equity - Common Stock Purchased Including Purchase of Common Stock for Tax Withholdings (Parenthetical) (Detail) (USD $)	0 Months Ended				1 Months Ended			0 Months Ended
	Aug. 01, 2012	Jan. 03, 2011	Jan. 02, 2010	Jan. 02, 2009	Jul. 31, 2008	Mar. 31, 2011 2010 STIP [Member] President and Chief Executive Officer [Member]	Mar. 31, 2012 2011 STIP [Member] Chief Executive Officer [Member]	Apr. 23, 2013 2012 STIP and 2009 LTIP [Member]
Equity, Class of Treasury Stock [Line Items]
Common Stock Repurchase Program, authorized amount	$ 25,000,000.0	$ 25,000,000.0	$ 25,000,000.0	$ 25,000,000.0	$ 50,000,000.0
Common stock repurchase price						$ 15.21	$ 14.10	$ 12.92
Stock repurchased during period, shares								108,459