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Investment in Direct Financing Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2012
Jun. 29, 2012
Dec. 30, 2011
Leases Disclosure [Line Items]      
Total minimum lease payments receivable   $ 3,522  
Estimated residual values of leased equipment        
Investment in direct financing leases   3,522  
Less: unearned income   (186)  
Capital Leases, Net Investment in Direct Financing Leases, Total   3,336  
Less: written-off of investment in direct financing leases   (3,336) (3,336)
Net investment in direct financing leases