Goodwill and long-lived assets Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Acquired amount	$ 408,424	$ 407,310
Accumulated Amortization	(223,445)	(187,397)
Net Book Value	184,979	219,913
Customer related
Finite-Lived Intangible Assets [Line Items]
Acquired amount	291,979	300,126
Accumulated Amortization	(176,415)	(148,416)
Net Book Value	115,564	151,710
Trade name
Finite-Lived Intangible Assets [Line Items]
Acquired amount	52,680	54,391
Accumulated Amortization	(20,473)	(16,711)
Net Book Value	32,207	37,680
Technology and other
Finite-Lived Intangible Assets [Line Items]
Acquired amount	63,765	52,793
Accumulated Amortization	(26,557)	(22,270)
Net Book Value	$ 37,208	$ 30,523