Additional cash flow information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Other non-cash and reconciling items
Provision for doubtful accounts receivable	$ 12,111	$ 10,360	$ 6,033
Periodic pension cost	4,246	(4,256)	26,057
Other, net	28,692	(27,369)	11,755
Total	45,049	(21,265)	43,845
Interest and income taxes paid
Accrued property, plant and equipment not paid	9,009	12,957	23,400
Unsettled share repurchases		1,404	3,425
Interest	137,995	144,822	99,929
Income tax net payments	$ 25,116	$ 172,834	$ 113,130