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Fair Value of Financial Instruments - Carrying Value and Fair Value Estimate of Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 25, 2014
Jun. 26, 2014
Dec. 26, 2013
Fair Value Disclosures [Abstract]      
Carrying value of long-term debt: $ 37,344us-gaap_DebtLongtermAndShorttermCombinedAmount $ 39,015us-gaap_DebtLongtermAndShorttermCombinedAmount $ 40,686us-gaap_DebtLongtermAndShorttermCombinedAmount
Fair value of long-term debt: $ 41,251us-gaap_LongTermDebtFairValue $ 43,091us-gaap_LongTermDebtFairValue $ 44,199us-gaap_LongTermDebtFairValue