Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Fair Value Measurements (Details Textual)

v3.19.1
Note 13 - Fair Value Measurements (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Derivative Asset, Total $ 1.9
Derivative Liability, Total 3.6 3.0
Fair Value, Inputs, Level 2 [Member] | Secured Debt [Member] | Term Loan B Facility [Member]    
Long-term Debt, Fair Value 310.4 304.2
Secured Debt, Total 312.0 312.8
Fair Value, Inputs, Level 1 [Member]    
Cash and Cash Equivalents, Fair Value Disclosure 64.1 58.7
Commodity and Energy Derivative Contracts [Member] | Fair Value, Inputs, Level 2 [Member]    
Derivative Asset, Total 1.9  
Derivative Liability, Total   1.0
Commodity Contract [Member]    
Derivative Asset, Total 1.8
Derivative Liability, Total 0.8
Derivative, Term of Contract 2 years  
Interest Rate Swap [Member]    
Derivative Liability, Total $ 3.6 2.0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]    
Derivative Liability, Total $ 3.6 $ 2.0