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Primary Financing Facilities - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 25, 2014
Jun. 26, 2014
Sep. 26, 2013
Sep. 25, 2014
Mortgage Facility Tranche A [Member]
Feb. 07, 2008
Mortgage Facility Tranche A [Member]
Sep. 25, 2014
Mortgage Facility Tranche B [Member]
Feb. 07, 2008
Mortgage Facility Tranche B [Member]
Feb. 07, 2008
Mortgage Facility [Member]
Feb. 07, 2008
Revolving Credit Facility [Member]
Credit Facilities [Line Items]                  
Revolving loan commitment and letter of credit sub facility                 $ 117,500
Available credit under the Credit Facility 93,204                
Borrowings 19,796 40,542 27,842            
Outstanding letters of credit 4,500                
Amounts of term loans 38,180 39,015 41,519   36,000   9,000 45,000  
Long term portion of term loan       $ 18,400   $ 4,600