Closure Costs (Details)
$ in Millions
|12 Months Ended|
Dec. 31, 2016
|Facility Closed, Number of Locations | location||13|
|Closure costs | $||$ 0.9|
Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
Reference 1: http://www.xbrl.org/2003/role/presentationRef