Stockholders' Equity - Common Stock Purchased Including Purchase of Common Stock for Tax Withholdings (Narrative) (Detail) (USD $)	0 Months Ended					1 Months Ended	0 Months Ended
	Jan. 02, 2014	Aug. 01, 2012	Jan. 03, 2011	Jan. 02, 2010	Jan. 02, 2009	Jul. 31, 2008	Apr. 23, 2013	Jan. 02, 2015	Mar. 31, 2013
Equity, Class of Treasury Stock [Line Items]
Common Stock Repurchase Program, authorized amount	$ 15,000,000.0	$ 25,000,000.0	$ 25,000,000.0	$ 25,000,000.0	$ 25,000,000.0	$ 50,000,000.0
2011 STIP [Member] | Chief Executive Officer [Member]
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase price									$ 14.10
2012 STIP and 2009 LTIP [Member]
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase price							$ 12.92
Stock repurchased during period, shares							108,459
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Common Stock Repurchase Program, authorized amount								$ 15,000,000.0