Reconciliation of Average Number of Common Shares and Common Share Equivalents Outstanding (Detail)	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Reconciliation of Common Stock Outstanding [Line Items]
Average number of common shares outstanding	45,407,000	46,507,000
Incremental shares from assumed exercises of stock options	189,000	215,000
Average number of common shares and common share equivalents outstanding	45,596,000	46,722,000