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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - UNAUDITED (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Stockholders' Equity, Other	$ 0		$ 0	$ 0
Class A common stock
Common stock dividend (in dollars per share)	$ 0.3475	$ 0.3450	$ 0.3475	$ 0.3450
Class A common stock | Common Stock
Stockholders' Equity, Other	$ 2		$ 2	$ 3
Class B common stock
Common stock dividend (in dollars per share)	$ 0.3475	$ 0.3450	$ 0.3475	$ 0.3450
Class B common stock | Common Stock
Stockholders' Equity, Other	$ (2)			$ (3)

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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- Definition

This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.

+ References

No definition available.

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