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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 |  |  |  |

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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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