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Acquisitions - (Additional Information) (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Oct. 04, 2020	Jul. 05, 2020	Sep. 30, 2019	Oct. 04, 2020	Sep. 30, 2019	Mar. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 689,048			$ 689,048		$ 663,936
Estimated tax-deductible goodwill						75,436
Purchase accounting adjustment related to goodwill				2,996
Amortization of intangible assets	8,187		$ 7,309	16,742	$ 14,625
Amortization of intangible assets, remainder of 2020	15,917			15,917
Amortization of intangible assets, 2021	32,420			32,420
Amortization of intangible assets, 2022	31,122			31,122
Amortization of intangible assets, 2023	27,725			27,725
Amortization of intangible assets, 2024	26,494			$ 26,494
N Holding AB
Business Acquisition [Line Items]
Payments to acquire businesses					77,777
Debt assumed						107,018
Goodwill						$ 76,784
Purchase accounting adjustment related to goodwill	$ 2,996
N Holding AB \| Developed Technology Rights
Business Acquisition [Line Items]
Acquired intangible assets					$ 19,000
Useful life of intangible assets					10 years
N Holding AB \| Trademarks
Business Acquisition [Line Items]
Acquired intangible assets					$ 6,000
Useful life of intangible assets					5 years
N Holding AB \| Customer relationships
Business Acquisition [Line Items]
Acquired intangible assets					$ 9,000
Minimum \| N Holding AB \| Customer relationships
Business Acquisition [Line Items]
Useful life of intangible assets		15 years
Maximum \| N Holding AB \| Customer relationships
Business Acquisition [Line Items]
Useful life of intangible assets		18 years