Operating Segments and Geographic Information - Property, Plant and Equipment by Geographic Region (Details) - USD ($) $ in Millions	Jun. 27, 2020	Jun. 29, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	$ 172.5	$ 179.9
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	85.0	89.4
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	1.6	1.6
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	43.8	49.0
Other Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	5.8	5.6
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	30.1	23.8
Other EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	$ 6.2	$ 10.5