Restructuring - Narrative (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | 30 Months Ended | ||
|---|---|---|---|---|---|---|
|
Sep. 30, 2018
USD ($)
|
Sep. 30, 2017
USD ($)
|
Sep. 30, 2018
USD ($)
|
Sep. 30, 2017
USD ($)
|
Dec. 31, 2017
store
|
Jun. 30, 2018
USD ($)
|
|
| Restructuring Cost and Reserve [Line Items] | ||||||
| Total Restructuring Expenses | $ 537 | $ 845 | $ 561 | $ 14,617 | ||
| Restructuring Program 2016 and 2017 | ||||||
| Restructuring Cost and Reserve [Line Items] | ||||||
| Total Restructuring Expenses | $ 38,800 | |||||
| Gain on Sale of Closed Store Properties | ||||||
| Restructuring Cost and Reserve [Line Items] | ||||||
| Restructuring and related cost, number of store closures | store | 139 | |||||
| Total Restructuring Expenses | $ (49) | $ 0 | $ (376) | 0 | ||
| DAMI | Restructuring Program 2016 | ||||||
| Restructuring Cost and Reserve [Line Items] | ||||||
| Total Restructuring Expenses | $ 300 | |||||