Segment information (Property, plant and equipment, net, by geographic area) (Details) - USD ($) $ in Thousands	Jun. 27, 2026	Jun. 28, 2025	Jun. 29, 2024
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 644,574	$ 667,247	$ 568,200
Americas
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	162,500	154,900	109,700
United States
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	155,100	147,000	107,100
EMEA
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	460,500	489,700	435,300
Germany
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	347,800	366,500	307,700
United Kingdom
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	97,400	104,400	105,700
Belgium
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	11,000	13,500	14,000
Asia
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	21,600	22,600	23,200
Other
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	33,300	35,800	33,700
Total foreign
Property, plant and equipment, net, by geographic area
Property, plant and equipment, net	$ 489,500	$ 520,200	$ 461,100