Other Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 01, 2018	Apr. 02, 2017	Apr. 01, 2018	Apr. 02, 2017
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			$ 28,445
Amortization	$ (1,802)	$ (2,099)	(5,618)	$ (6,509)
Net carrying amount at end of period	22,827		22,827
Non-compete agreements
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			1,345
Amortization			(505)
Net carrying amount at end of period	840		840
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			25,377
Amortization			(4,841)
Net carrying amount at end of period	20,536		20,536
Trademarks/Tradenames
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			1,221
Amortization			(121)
Net carrying amount at end of period	1,100		1,100
Unpatented technology and patents
Finite-lived Intangible Assets [Roll Forward]
Net carrying amount at beginning of period			502
Amortization			(151)
Net carrying amount at end of period	$ 351		$ 351