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Fair Value Measurements - Additional information (Detail) (USD $)
3 Months Ended 6 Months Ended
Dec. 25, 2013
Dec. 26, 2012
Dec. 25, 2013
Dec. 26, 2012
Dec. 25, 2013
2.60% notes [Member]
Jun. 26, 2013
2.60% notes [Member]
Dec. 25, 2013
3.88% notes [Member]
Jun. 26, 2013
3.88% notes [Member]
Fair Value Disclosure [Line Items]                
Number Of Underperforming Restaurants     4 1        
Carrying Value Of Impaired Long Lived Assets     $ 2,600,000 $ 800,000        
Fair Value Of Impaired Long Lived Assets 1,342,000 140,000 1,342,000 140,000        
Restaurant impairment charges 1,285,000 661,000 1,285,000 661,000        
Debt Instrument, Interest Rate, Stated Percentage         2.60%   3.88%  
Senior Notes         249,847,000 249,829,000 299,722,000 299,707,000
Long-term Debt, Fair Value         $ 246,800,000 $ 244,200,000 $ 272,200,000 $ 279,500,000