Other Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 01, 2017	Dec. 27, 2015	Jan. 01, 2017	Dec. 27, 2015
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			$ 36,933
Additions			10
Amortization	$ (2,191)	$ (2,459)	(4,410)	$ (4,962)
Net carrying amount at end of period	32,533		32,533
Non-compete agreements
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			2,193
Additions			0
Amortization			(441)
Net carrying amount at end of period	1,752		1,752
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			32,625
Additions			0
Amortization			(3,763)
Net carrying amount at end of period	28,862		28,862
Trademarks/Tradenames
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			1,382
Additions			0
Amortization			(81)
Net carrying amount at end of period	1,301		1,301
Unpatented technology
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			733
Additions			0
Amortization			(124)
Net carrying amount at end of period	609		609
Patents
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			0
Additions			10
Amortization			(1)
Net carrying amount at end of period	$ 9		$ 9