Incentive Compensation Plans (Schedule of Replacement Time-Vesting Option Activity) (Details) - Replacement Time-Vesting Options [Member] - USD ($)	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at April 1, 2021	2,484,082
Exercised	(95,510)
Forfeited	(6,702)
Outstanding at March 31, 2022	2,381,870	2,484,082
Exercisable at March 31, 2022	2,381,870
Weighted Average Exercise Price, Outstanding at April 1, 2021	$ 11.83
Weighted Average Exercise Price, Exercised	11.17
Weighted Average Exercise Price, Forfeited	7.92
Weighted Average Exercise Price, Outstanding at March 31, 2022	11.86	$ 11.83
Weighted Average Exercise Price, Exercisable at March 31, 2022	$ 11.86
Weighted Average Remaining Contractual Term, Outstanding	1 year 4 months 24 days	2 years 4 months 24 days
Weighted Average Remaining Contractual Term, Exercisable at March 31, 2022	1 year 4 months 24 days
Aggregate Intrinsic Value, Outstanding at April 1, 2021	$ 25,517,000
Aggregate Intrinsic Value, Exercised	980,000
Aggregate Intrinsic Value, Forfeited	89,000
Aggregate Intrinsic Value, Outstanding at March 31, 2022	23,664,000	$ 25,517,000
Aggregate Intrinsic Value, Exercisable at March 31, 2021	$ 23,664,000