Operating Segments and Geographic Information - Property, Plant and Equipment by Geographic Region (Details) - USD ($) $ in Millions	Jun. 29, 2019	Jun. 30, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	$ 179.9	$ 170.5
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	89.4	79.8
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	1.6	3.1
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	49.0	49.9
Other Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	5.6	5.9
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	23.8	20.9
Other EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property, plant and equipment, net	$ 10.5	$ 10.9