Revenue Recognition - Summary of Revenue by Geographic Area (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 27, 2020	Mar. 29, 2019
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 320.9	$ 260.1
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	142.6	137.3
Singapore [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	112.2	68.3
South Korea [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	20.3	18.4
Taiwan [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	15.2	8.9
Austria [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	14.5	14.2
China [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	9.1	8.0
Other [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 7.0	$ 5.0