Incentive Compensation Plans (Schedule of Time-Vesting and Exit-Vesting Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Time-Vesting Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at April 1, 2021	5,064,148
Exercised	(215,197)
Forfeited	(41,671)
Outstanding at March 31, 2022	4,807,280	5,064,148
Exercisable at March 31, 2022	4,642,802
Weighted Average Exercise Price, Outstanding at April 1, 2021	$ 18.99
Weighted Average Exercise Price, Exercised	18.99
Weighted Average Exercise Price, Forfeited	18.99
Weighted Average Exercise Price, Outstanding at March 31, 2022	18.99	$ 18.99
Weighted Average Exercise Price, Exercisable at March 31, 2022	$ 18.99
Weighted Average Remaining Contractual Term, Outstanding	5 years 7 months 6 days	6 years 7 months 6 days
Weighted Average Remaining Contractual Term, Exercisable at March 31, 2022	5 years 7 months 6 days
Aggregate Intrinsic Value, Outstanding at April 1, 2021	$ 15,764
Aggregate Intrinsic Value, Exercised	588
Aggregate Intrinsic Value, Forfeited	102
Aggregate Intrinsic Value, Outstanding at March 31, 2022	13,508	$ 15,764
Aggregate Intrinsic Value, Exercisable at March 31, 2021	$ 13,046
Exit-Vesting Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at April 1, 2021	4,750,627
Forfeited	(178,648)
Outstanding at March 31, 2022	4,571,979	4,750,627
Weighted Average Exercise Price, Outstanding at April 1, 2021	$ 18.99
Weighted Average Exercise Price, Forfeited	18.99
Weighted Average Exercise Price, Outstanding at March 31, 2022	$ 18.99	$ 18.99
Weighted Average Remaining Contractual Term, Outstanding	5 years 8 months 12 days	6 years 7 months 6 days
Aggregate Intrinsic Value, Outstanding at April 1, 2021	$ 14,774
Aggregate Intrinsic Value, Forfeited	441
Aggregate Intrinsic Value, Outstanding at March 31, 2022	$ 12,847	$ 14,774

Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Intrinsic Value

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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