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General - Schedule of Restructuring by Segment (Details) - USD ($) $ in Thousands | 11 Months Ended | 12 Months Ended | 50 Months Ended
--- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges |  | $ 0 | $ 295 | $ 1,667 |  |
Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges | $ 24,673 |  | 295 | 1,667 | $ 28,984 | $ 55,619
Reportable segments | UGG brand wholesale | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges |  |  | 0 | 0 |  | 2,238
Reportable segments | Sanuk brand wholesale | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges |  |  | 0 | 0 |  | 3,068
Reportable segments | Other brands wholesale | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges |  |  | 0 | 0 |  | 2,263
Reportable segments | Direct-to-Consumer | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges |  |  | 0 | 149 |  | 23,454
Unallocated overhead costs | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges |  |  | $ 295 | $ 1,518 |  | $ 24,596

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