Segment information (Property, plant and equipment, net, by geographic area) (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 404,607	$ 452,171	$ 522,900
Americas
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	183,900	213,800	276,200
United States
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	179,400	209,900	271,400
EMEA
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	183,400	200,400	204,800
Germany
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	84,900	95,200	99,400
United Kingdom
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	72,700	70,500	52,500
Belgium
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	22,400	25,200	43,400
Asia Pacific
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 37,300	$ 38,000	$ 41,900