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Restructuring - Narrative (Details) $ in Thousands | 12 Months Ended | 26 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) store | Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($) | Mar. 31, 2018 USD ($) store
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 1,667 | $ 28,984 | $ 24,673 |
Fiscal Year 2016 Restructuring Plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost incurred to date | 55,324 |  |  | $ 55,324
Restructuring charges | 1,667 | 28,984 | 24,673 | 55,324
Restructuring reserve | $ 4,728 | 11,080 | 12,874 | $ 4,728
Fiscal Year 2016 Restructuring Plan | Facility Closing |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of stores closed | store | 32 |  |  | 32
Short Term Liabilities | Fiscal Year 2016 Restructuring Plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve | $ 1,347 |  |  | $ 1,347
Long Term Liabilities | Fiscal Year 2016 Restructuring Plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve | 3,381 |  |  | $ 3,381
Selling, General and Administrative Expenses | Fiscal Year 2016 Restructuring Plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 1,667 | $ 28,984 | 22,824 |
Cost of Sales | Fiscal Year 2016 Restructuring Plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  | $ 1,849 |

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