Segment information (Property, plant and equipment, net, by geographic area) (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Jun. 29, 2019
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 437,467	$ 452,171
Americas
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	208,925	213,802
United States
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	205,400	209,900
EMEA
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	192,338	200,379
Germany
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	87,300	95,200
United Kingdom
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	72,000	70,500
Belgium
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	23,500	25,200
Asia Pacific
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 36,204	$ 37,990