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General - Schedule of Restructuring by Segment (Details) - USD ($) $ in Thousands | 9 Months Ended | 35 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 295 | $ 1,667 |
Fiscal Year 2016 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 295 |  | $ 55,619
Reportable segments | UGG brand wholesale | Fiscal Year 2016 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 2,238
Reportable segments | Sanuk brand wholesale | Fiscal Year 2016 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 3,068
Reportable segments | Other brands wholesale | Fiscal Year 2016 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 2,263
Reportable segments | Direct-to-Consumer | Fiscal Year 2016 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 23,454
Unallocated overhead costs | Fiscal Year 2016 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | $ 24,596

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