Business Combinations - Schedule of Total Purchased Intangible Assets (Detail) - USD ($) $ in Millions	Sep. 24, 2021	Mar. 31, 2021
Business Acquisition [Line Items]
Purchased intangible assets		$ 124.4
Ham-Let (Israel-Canada) Ltd [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 124.4
Ham-Let (Israel-Canada) Ltd [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Purchased intangible assets	73.9
Ham-Let (Israel-Canada) Ltd [Member] | IP Knowhow [Member] | Minimum [Member]
Business Acquisition [Line Items]
Purchased intangible assets	35.5
Ham-Let (Israel-Canada) Ltd [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Purchased intangible assets	9.8
Ham-Let (Israel-Canada) Ltd [Member] | Backlog [Member]
Business Acquisition [Line Items]
Purchased intangible assets	$ 5.2