Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Schedule of Debt (Details)

v3.7.0.1
Long-Term Debt - Schedule of Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Long-term debt $ 21.2 $ 10.0
Line of Credit    
Debt Instrument [Line Items]    
Long-term debt 20.0 0.0
Capital lease    
Debt Instrument [Line Items]    
Long-term debt 1.2 0.0
Tax exempt bond    
Debt Instrument [Line Items]    
Long-term debt $ 0.0 $ 10.0