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Accumulated Other Comprehensive Loss - Reclassification Out of Accumulated Other Comprehensive Loss (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Sep. 25, 2014
Sep. 26, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other comprehensive income, net of tax $ 143 $ 133
Amortization of Defined Benefit Pension Items [Member] | Amount Reclassified from AOCL [Member]
    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Total before tax   (222)
Tax effect 96 89
Other comprehensive income, net of tax (143) (133)
Amortization of Defined Benefit Pension Items [Member] | Amount Reclassified from AOCL [Member] | Administrative Expenses [Member]
    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Unrecognized prior service cost (239) (239)
Unrecognized net gain   $ 17