Restructuring and Asset Impairment Charges - Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Restructuring and Related Activities [Abstract]
Employee separation charges	$ 531	$ 1,122	$ 632	$ 2,499
Asset impairment and other non-cash charges	141	545	260	891
Restructuring and asset impairment charges	$ 672	$ 1,667	$ 892	$ 3,390

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of restructuring charges, remediation cost, and asset impairment loss.

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