v3.8.0.1

Restructuring - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended | 27 Months Ended
--- | --- | --- | ---
Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2018 store | Dec. 31, 2017 store | Dec. 31, 2016 Store | Mar. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total Restructuring Expenses | $ 906 | $ 327 |  |  |  |
Restructuring Program 2016 and 2017 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total Restructuring Expenses |  |  |  |  |  | $ 39,200
Restructuring Program 2017 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total Restructuring Expenses | 400 |  |  |  |  |
Expected additional restructuring charges | 1,500 |  |  |  |  | $ 1,500
Restructuring Program 2016 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total Restructuring Expenses | 500 |  |  |  |  |
Gain on Sale of Closed Store Properties |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total Restructuring Expenses | $ (327) | $ 0 |  |  |  |
Gain on Sale of Closed Store Properties | Restructuring Program 2017 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related cost, number of store closures | store |  |  |  | 15 |  |
Gain on Sale of Closed Store Properties | Restructuring Program 2016 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related cost, number of store closures | Store |  |  |  |  | 123 |
Scenario, Forecast | Gain on Sale of Closed Store Properties | Restructuring Program 2017 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related cost, number of store closures | store |  |  | 8 |  |  |

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