Income taxes (Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Current:
Federal	$ 255,810	$ (45,351)	$ (16,934)
State and Local	(3,174)	4,209	(33)
Foreign	104,156	106,441	92,033
Total current taxes	356,792	65,299	75,066
Deferred:
Federal	(70,172)	(30,025)	5,573
State and Local	(10,551)	(3,934)	1,351
Foreign	11,897	15,713	5,114
Total deferred taxes	(68,826)	(18,246)	12,038
Income tax expense	$ 287,966	$ 47,053	$ 87,104