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Incentive Compensation Plans (Schedule of Replacement Exit-Vesting Restricted Stock Activity) (Details) - Replacement Exit-Vesting Restricted Stock [Member]
12 Months Ended
Mar. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested at April 1, 2019 1,261,599
Canceled (255,881)
Unvested at March 31, 2020 1,005,718