Share Repurchase Plan and Issuances - Shelf Registration (Details) - USD ($)		3 Months Ended	6 Months Ended
	Sep. 08, 2022	Oct. 28, 2023	Oct. 28, 2023
Share Repurchase Plan and Issuances
Number of share sold		807,370	807,370
Total gross proceeds		$ 91,313,000	$ 91,313,000
Amount of cash inflow from sale of stock net of commision expense		88,574,000	88,574,000
Amount of cash inflow from sale of stock net of equity issuance cost		$ 88,437,000	$ 88,437,000
Maximum
Share Repurchase Plan and Issuances
Aggregate offering price	$ 200,000,000
Open Market Sale Agreement
Share Repurchase Plan and Issuances
Number of share sold			1,917,100
Total gross proceeds			$ 200,000,000
Amount of cash inflow from sale of stock net of commision expense			193,999,000
Amount of cash inflow from sale of stock net of equity issuance cost			$ 193,086,000