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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The cash outflow during the period for redemption of redeemable noncontrolling interests.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Product Information [Line Items]
Additional investment in consolidated affiliates \| $	$ (921)	$ (13,470)	$ 0
Number of operating segments	10
Number of reportable segments	3
Period of projection for long-term investment	10 years
Restricted stock units
Product Information [Line Items]
Award vesting period	3 years
Restricted stock units \| Tranche One
Product Information [Line Items]
Award vesting rate (as a percent)	50.00%
Restricted stock units \| Tranche Two
Product Information [Line Items]
Award vesting rate (as a percent)	25.00%
Restricted stock units \| Tranche Three
Product Information [Line Items]
Award vesting rate (as a percent)	25.00%
Minimum \| Real Estate
Product Information [Line Items]
Lease term	2 years
Minimum \| Equipment
Product Information [Line Items]
Lease term	2 years
Minimum \| Buildings
Product Information [Line Items]
Useful life of property, plant and equipment	20 years
Minimum \| Machinery and equipment
Product Information [Line Items]
Useful life of property, plant and equipment	3 years
Minimum \| Production and supply contracts
Product Information [Line Items]
Useful life of intangible assets	3 years
Minimum \| Customer relationship
Product Information [Line Items]
Useful life of intangible assets	8 years
Minimum \| License
Product Information [Line Items]
Useful life of intangible assets	5 years
Minimum \| Internally developed software
Product Information [Line Items]
Useful life of intangible assets	3 years
Maximum \| Real Estate
Product Information [Line Items]
Lease term	15 years
Maximum \| Equipment
Product Information [Line Items]
Lease term	5 years
Maximum \| Buildings
Product Information [Line Items]
Useful life of property, plant and equipment	30 years
Maximum \| Machinery and equipment
Product Information [Line Items]
Useful life of property, plant and equipment	10 years
Maximum \| Production and supply contracts
Product Information [Line Items]
Useful life of intangible assets	5 years
Maximum \| Trade Names
Product Information [Line Items]
Useful life of intangible assets	8 years
Maximum \| Customer relationship
Product Information [Line Items]
Useful life of intangible assets	20 years
Maximum \| License
Product Information [Line Items]
Useful life of intangible assets	20 years
Maximum \| Internally developed software
Product Information [Line Items]
Useful life of intangible assets	5 years
Leaf - Other Regions
Product Information [Line Items]
Number of reportable segments	1
Other Products and Services
Product Information [Line Items]
Number of operating segments	5