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Segment, Customers, and Geographic Information - Net Revenue within Geographic Areas Based on Customers' Locations (Detail) - USD ($)
$ in Millions
 3 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net revenue $ 372.7 $ 328.4
China [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net revenue 135.1 131.2
Taiwan [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net revenue 119.6 71.8
Japan [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net revenue 91.6 103.1
Other [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net revenue 16.4 16.0
South Korea [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net revenue 8.2 5.0
United States [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net revenue $ 1.8 $ 1.3