Commitments and Contingencies - Guarantees and Warranties (Details) $ in Thousands	6 Months Ended
Oct. 31, 2020 USD ($)
Movement in Standard Product Warranty Accrual
Beginning accrued warranty obligations	$ 25,624
Warranties issued during the period	5,001
Settlements made during the period	(2,817)
Changes in accrued warranty obligations for pre-existing warranties during the period, including expirations	(1,208)
Ending accrued warranty obligations	26,600
Letter of credit
Guarantees:
Performance guarantees outstanding	6,853
Guarantees
Guarantees:
Performance guarantees outstanding	3,122
Surety bonds
Guarantees:
Performance guarantees outstanding	$ 31,314

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- Definition

Amount of loss contingency liability.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

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Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties.

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Amount of increase in the standard and extended product warranty accrual from warranties issued.

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