Derivative Financial Instruments - Additional Information (Detail) - USD ($)		3 Months Ended
	Apr. 01, 2015	Sep. 26, 2015	Jun. 27, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments		$ 568,000	$ 4,857,000
Net gain deferred in accumulated other comprehensive income		1,482,000
Loss expected to be reclassified to interest expense		191,000
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
Derivative Instruments, Gain (Loss) [Line Items]
Liabilities on interest rate swap contracts		337,000	188,000
Fair Value, Measurements, Recurring
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments		568,000	4,857,000
Liabilities on interest rate swap contracts		337,000	188,000
Level 2 | Fair Value, Measurements, Recurring
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments		568,000	4,857,000
Liabilities on interest rate swap contracts		$ 337,000	$ 188,000