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Acquisition - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Mar. 06, 2020	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Business Acquisition [Line Items]
Purchase price of acquisition				$ 30,872
Depreciation and amortization		$ 5,400	$ 10,700
Inventories		3,700	3,700
Kosmos Acquisition [Member]
Business Acquisition [Line Items]
Date of acquisition of business	Mar. 06, 2020
Purchase price of acquisition	$ 669,000
Inventories		28,568	28,568
Nonrecurring charges		$ 5,600	$ 5,600

X

- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

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X

- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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X

- Definition

The amount of inventory recognized as of the acquisition date.

+ References

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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