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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of derivative financial instrument assets and liabilities measured at fair value on a recurring basis
       December 31,   December 31, 
   Level   2020   2019 
       (in millions) 
Derivative liability (see Note 14)  2   $2.6   $ 
Long term receivable (included in other assets)  2   $1.4   $1.5