Goodwill and long-lived assets Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Jul. 02, 2016
Finite-Lived Intangible Assets [Line Items]
Acquired amount	$ 360,389	$ 64,082
Accumulated Amortization	(74,999)	(41,511)
Net Book Value	285,390	22,571
Customer related
Finite-Lived Intangible Assets [Line Items]
Acquired amount	267,326	47,980
Accumulated Amortization	(61,858)	(34,515)
Net Book Value	205,468	13,465
Trade name
Finite-Lived Intangible Assets [Line Items]
Acquired amount	45,005	3,746
Accumulated Amortization	(4,516)	(2,718)
Net Book Value	40,489	1,028
Technology and other
Finite-Lived Intangible Assets [Line Items]
Acquired amount	48,058	12,356
Accumulated Amortization	(8,625)	(4,278)
Net Book Value	$ 39,433	$ 8,078