Segment, Customers, and Geographic Information - Net Revenue within Geographic Areas Based on Customers' Locations (Detail) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Mar. 27, 2021	Mar. 31, 2020	Mar. 28, 2020	Mar. 27, 2021	Mar. 31, 2020	Mar. 28, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 325.8	$ 328.1	$ 328.1	$ 1,011.8	$ 1,056.3	$ 1,056.3
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	130.9	122.1		406.2	437.1
Taiwan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	101.5	42.3		268.1	164.0
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	67.5	128.1		258.9	340.8
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	16.7	21.1		54.7	58.1
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	8.5	13.1		20.0	51.0
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 0.7	$ 1.4		$ 3.9	$ 5.3