The consideration period to be received for the disposal of assets and liabilities, including discontinued operation.

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Disposal Group, Including Discontinued Operation, Ownership Percentage

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Number of aircraft owned.

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The aggregate number of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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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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PROPERTY AND EQUIPMENT, ASSETS HELD FOR SALE AND OEM COST RECOVERIES Assets Held for Sale (Details) $ in Thousands		12 Months Ended
	Nov. 01, 2017 USD ($)	Mar. 31, 2018 USD ($) aircraft	Mar. 31, 2017 USD ($) aircraft	Mar. 31, 2016 USD ($) aircraft
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale		$ 30,348	$ 38,246
Impairment charges on aircraft held for sale		15,853	$ 12,450	$ 29,571
Bristow Academy
Long Lived Assets Held-for-sale [Line Items]
Impairment charges on aircraft held for sale		6,500
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| Bristow Academy
Long Lived Assets Held-for-sale [Line Items]
Disposal Group, Including Discontinued Operation, Ownership Percentage	100.00%
Disposal Group, Including Discontinued Operation, Consideration	$ 1,500
Disposal Group, Consideration Term	4 years
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		$ 7,200
Aircraft Held for Sale
Long Lived Assets Held-for-sale [Line Items]
Number of aircraft owned \| aircraft		11	20
Number of impairment of long lived assets to be disposed of \| aircraft		8	14	16