Segment information (Property, plant and equipment, net, by geographic area) (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Jun. 30, 2018
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 525,873	$ 522,909
Americas
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	272,398	276,156
United States
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	267,500	271,400
EMEA
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	212,486	204,797
Germany
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	99,400	99,400
United Kingdom
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	50,800	52,500
Belgium
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	52,700	43,400
Asia Pacific
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 40,989	$ 41,956