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Schedule II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | $ 33,462 | $ 32,354 |
Balance at End of Year | 18,824 | 33,462 | $ 32,354
Allowance for doubtful accounts |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 3,487 | 5,979 | 5,494
Additions | 2,849 | 4,168 | 2,847
Deductions | (1,263) | (6,660) | (2,362)
Balance at End of Year | 5,073 | 3,487 | 5,979
Allowance for sales discounts |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 1,400 | 3,100 | 2,672
Additions | 11,712 | 19,972 | 20,259
Deductions | (12,402) | (21,672) | (19,831)
Balance at End of Year | 710 | 1,400 | 3,100
Allowance for chargebacks |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 7,727 | 7,028 | 4,968
Additions | 23,369 | 19,019 | 19,584
Deductions | (18,055) | (18,320) | (17,524)
Balance at End of Year | 13,041 | 7,727 | 7,028
Allowance for sales returns |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 20,848 | 16,247 | 17,061
Additions | 0 | 51,677 | 62,122
Deductions | (20,848) | (47,076) | (62,936)
Balance at End of Year | $ 0 | $ 20,848 | $ 16,247

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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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