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Schedule II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | $ 18,824 | $ 33,462 |
Balance at End of Year | 21,146 | 18,824 | $ 33,462
Allowance for doubtful accounts |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 5,073 | 3,487 | 5,979
Additions | 3,498 | 2,849 | 4,168
Deductions | (1,582) | (1,263) | (6,660)
Balance at End of Year | 6,989 | 5,073 | 3,487
Allowance for sales discounts |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 710 | 1,400 | 3,100
Additions | 14,845 | 11,712 | 19,972
Deductions | (14,525) | (12,402) | (21,672)
Balance at End of Year | 1,030 | 710 | 1,400
Allowance for chargebacks |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 13,041 | 7,727 | 7,028
Additions | 13,399 | 23,369 | 19,019
Deductions | (13,313) | (18,055) | (18,320)
Balance at End of Year | 13,127 | 13,041 | 7,727
Allowance for sales returns |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | $ 0 | 20,848 | 16,247
Additions |  | 0 | 51,677
Deductions |  | (20,848) | (47,076)
Balance at End of Year |  | $ 0 | $ 20,848

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- Definition Total of additions to allowances and reserves, net of recoveries, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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