Revenue Recognition - Summary of Revenue by Geographic Area (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 26, 2021	Mar. 27, 2020
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 417.6	$ 320.9
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	172.6	142.6
Singapore [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	153.3	112.2
South Korea [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	26.6	20.3
Taiwan [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	20.2	15.2
Austria [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	18.7	14.5
China [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	16.0	9.1
Other [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 10.2	$ 7.0