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Fixed interest rate related to the interest rate derivative.

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Derivative Instruments and Hedging Activities (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)	May 28, 2021 USD ($) instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in cash flow hedges (swap), net of deferred taxes of $763 and $1,404 for the three and nine months ended January 31, 2022, respectively	$ 2,253	$ 0	$ 4,145	$ 0
Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			400
Gain (Loss) on Derivative Instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	300		700
Other Comprehensive Income (Loss) \| Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in cash flow hedges (swap), net of deferred taxes of $763 and $1,404 for the three and nine months ended January 31, 2022, respectively	2,300		4,100
Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Fixed Interest Rate					0.598%
Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount					$ 200,000
Derivative, Number of Instruments Held \| instrument					4
Foreign Exchange Forward \| Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	164,100		164,100
Foreign Exchange Forward \| Not Designated as Hedging Instrument \| Prepaid Expenses and Other Current Assets [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative asset, fair value, gross asset	$ 0		$ 0
Foreign Exchange Forward \| Not Designated as Hedging Instrument \| Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, forward exchange rate	20.76		20.76
Foreign Exchange Forward \| Not Designated as Hedging Instrument \| Maximum \| Long
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, forward exchange rate	20.91		20.91