Reconciliation of Average Number of Common Shares and Common Share Equivalents Outstanding (Detail)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Reconciliation of Common Stock Outstanding [Line Items]
Average number of common shares outstanding	46,039,000	46,698,000	47,444,000
Incremental shares from assumed exercises of stock options	171,000	179,000	80,000
Average number of common shares and common share equivalents outstanding	46,210,000	46,877,000	47,524,000