The amount of expense related to a contingent consideration arrangement during the reporting period.

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- Definition

Contingent Consideration Fair Value Disclosure

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- Definition

Fair value portion of deferred compensation.

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No definition available.

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- Definition

Fair value portion of noncontrolling interest holders.

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No definition available.

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- Definition

Fair value portion of stock appreciation rights.

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No definition available.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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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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No definition available.

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2018	Oct. 31, 2017	Apr. 30, 2018
Fair Value Measurements
Change in fair value of financial instruments	$ (376)	$ (238)	$ (6,395)	$ (434)
Fair Value, Measurements, Recurring \| Level 3
Fair Value Measurements
Stock appreciation rights	22,394		22,394		$ 21,944
Deferred compensation	1,623		1,623		2,222
Noncontrolling interest holders	12,762		12,762		16,170
Contingent consideration	12,331		12,331
Interest rate cap \| Fair Value, Measurements, Recurring \| Level 2
Fair Value Measurements
Derivative assets					543
Forward currency forward
Fair Value Measurements
Change in fair value of financial instruments			(5,700)
Forward currency forward \| Fair Value, Measurements, Recurring \| Level 2
Fair Value Measurements
Derivative liabilities					$ 5,108
Titan
Fair Value Measurements
Assumed contingent consideration arrangements	$ 12,300		12,300
Selling, general and administrative expenses \| Titan
Fair Value Measurements
Contingent consideration expense			$ 500