Open Market Share Repurchase Program - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 16, 2013	Jun. 17, 2012	Jun. 16, 2013	Jun. 17, 2012
Share Repurchases [Line Items]
Common stock repurchased and retired (in shares)	655,248	1,146,497	1,018,147	1,146,497
Common stock repurchased and retired	$ 56,100,000	$ 36,867,000	$ 56,057,000	$ 36,867,000
Share repurchase program, approved amount			200,000,000
Stock repurchase program, amount remaining			96,300,000
Scenario, Forecast
Share Repurchases [Line Items]
Common stock repurchased and retired (in shares)			189,185
Common stock repurchased and retired			$ 10,900,000