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Restructuring (Details) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 USD ($) store | Sep. 30, 2015 USD ($) | Mar. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Number of Stores | store | 10 |  |
Restructuring costs | $ 2,632 | $ 0 |
Brand Realignment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of Stores | store | 24 |  |
Restructuring costs | $ 27,400 |  | $ 24,800
Restructuring and related cost, expected cost | 3,600 |  |
Minimum | Brand Realignment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 7,000 |  |
Maximum | Brand Realignment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | $ 12,000 |  |

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