Goodwill and long-lived assets Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Acquired amount	$ 408,158	$ 407,310
Accumulated Amortization	(208,779)	(187,397)
Net Book Value	199,379	219,913
Customer related
Finite-Lived Intangible Assets [Line Items]
Acquired amount	300,707	300,126
Accumulated Amortization	(165,105)	(148,416)
Net Book Value	135,602	151,710
Trade name
Finite-Lived Intangible Assets [Line Items]
Acquired amount	54,487	54,391
Accumulated Amortization	(18,952)	(16,711)
Net Book Value	35,535	37,680
Technology and other
Finite-Lived Intangible Assets [Line Items]
Acquired amount	52,964	52,793
Accumulated Amortization	(24,722)	(22,270)
Net Book Value	$ 28,242	$ 30,523