Goodwill and long-lived assets Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Jul. 01, 2017
Finite-Lived Intangible Assets [Line Items]
Acquired amount	$ 418,351	$ 375,149
Accumulated Amortization	(148,608)	(97,858)
Net Book Value	269,743	277,291
Customer related
Finite-Lived Intangible Assets [Line Items]
Acquired amount	308,024	277,865
Accumulated Amortization	(118,563)	(79,578)
Net Book Value	189,461	198,287
Trade name
Finite-Lived Intangible Assets [Line Items]
Acquired amount	55,973	46,915
Accumulated Amortization	(12,500)	(6,720)
Net Book Value	43,473	40,195
Technology and other
Finite-Lived Intangible Assets [Line Items]
Acquired amount	54,354	50,369
Accumulated Amortization	(17,545)	(11,560)
Net Book Value	$ 36,809	$ 38,809