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Employee Benefit Plans (Unamortized Share-Based Compensation Expense) (Details) $ in Thousands | 12 Months Ended
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Mar. 31, 2021 USD ($)
Employee Benefit Plan |
Unamortized Expense | $ 123,699
ESPP |
Employee Benefit Plan |
Unamortized Expense | $ 2,636
Remaining Months | 4 months
Stock Options |
Employee Benefit Plan |
Unamortized Expense | $ 2,104
Remaining Months | 12 months
Time-based RSUs |
Employee Benefit Plan |
Unamortized Expense | $ 84,143
Remaining Months | 24 months
Market-based and performance-based RSUs |
Employee Benefit Plan |
Unamortized Expense | $ 34,816
Remaining Months | 22 months

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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