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Commitments and Contingencies - Additional Information (Detail) (USD $)
1 Months Ended
Sep. 28, 2014
Jun. 29, 2014
Sep. 28, 2014
Standby Letters of Credit
Sep. 28, 2014
Operating Lease Cash Collateral
Sep. 28, 2014
Operating Lease Marketable Securities Collateral
Sep. 28, 2014
Operating Leases
Commitments and Contingencies [Line Items]            
Restricted collateral for leasing arrangements $ 149,483,000 $ 146,492,000 [1]   $ 132,500,000 $ 11,100,000  
Operating Lease residual value of guarantee, maximum           191,200,000
Maximum percentage of aggregate investment value guaranteed           100.00%
Guarantee Obligation Maximum Exposure     $ 14,800,000     $ 220,000,000
[1] Derived from audited financial statements