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Intangible Assets - Estimated Annual Amortization Expense (Detail) $ in Thousands | 12 Months Ended
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Mar. 31, 2019 USD ($)
Disclosure of intangible assets with indefinite useful life [line items] |
Estimated annual amortization expense | $ 79,788
2020 [member] |
Disclosure of intangible assets with indefinite useful life [line items] |
Estimated annual amortization expense | 15,716
2021 [member] |
Disclosure of intangible assets with indefinite useful life [line items] |
Estimated annual amortization expense | 12,078
2022 [member] |
Disclosure of intangible assets with indefinite useful life [line items] |
Estimated annual amortization expense | 7,000
2023 [member] |
Disclosure of intangible assets with indefinite useful life [line items] |
Estimated annual amortization expense | 5,649
2024 [member] |
Disclosure of intangible assets with indefinite useful life [line items] |
Estimated annual amortization expense | 4,398
More than 5 years [member] |
Disclosure of intangible assets with indefinite useful life [line items] |
Estimated annual amortization expense | $ 34,947

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- Definition The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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