Other Gains and Charges - Additional Information (Detail) (USD $)	3 Months Ended			9 Months Ended
	Mar. 27, 2013	Mar. 28, 2012	Dec. 28, 2011	Mar. 27, 2013	Mar. 28, 2012
Disclosure Other Gains And Charges Additional Information [Abstract]
Restaurant impairment charges	$ 0	$ 0		$ 661,000	$ 1,098,000
Restaurant closure Charges	305,000	1,032,000		2,887,000	4,154,000
Lease termination charges, prior years				1,700,000	3,200,000
Long-lived asset impairments				1,000,000	400,000
Severance Costs	1,269,000	0		1,269,000	100,000
Gain on sale of land				2,400,000	1,400,000
Net charges related to legal matters					1,300,000
Gain (Loss) Related to Litigation Settlement		$ 1,100,000	$ 2,400,000