Derivative Financial Instruments - Additional Information (Detail) - USD ($)		6 Months Ended
	Apr. 01, 2015	Dec. 26, 2015	Jun. 27, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities on interest rate swap contracts		$ 164,000	$ 0
Derivative financial instruments		0	4,857,000
Net gain deferred in accumulated other comprehensive income		832,000
Gain (loss) expected to be reclassified to interest expense		(351,000)
Interest rate swap contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap contracts	$ 75,000,000
Average rate on interest rate swap contracts	2.35%
Derivative, term of contract	15 years
Interest rate swap contracts | Accrued Expenses and Other Current Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities on interest rate swap contracts		$ 747,000	188,000
Interest rate swap contracts | Other Noncurrent Assets
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments			$ 4,857,000