Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Derivative Instruments and Hedging Activities (Details)

v3.19.2
Long-Term Debt - Derivative Instruments and Hedging Activities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Derivatives, Fair Value [Line Items]              
Derivative Cash Premium Paid   $ 2.8   $ 1.9      
Derivative Instrument, Unamortized Premium $ 4.3       $ 4.3   $ 4.6
Incremental interest expense 0.5   $ 0.0   0.9 $ 0.1  
Net benefit expected to be reclassified 2.4       2.4    
Interest rate swap and interest rate cap | Derivative instruments and hedging activities              
Derivatives, Fair Value [Line Items]              
Fair value of derivative 0.7       0.7   4.8
Net cash proceeds         4.8    
Interest rate swap and interest rate cap | Derivative instruments and hedging activities | Other assets              
Derivatives, Fair Value [Line Items]              
Derivative asset, fair value of interest rate swap and cap positions 0.4       0.4   1.8
Interest rate swap and interest rate cap | Derivative instruments and hedging activities | Other current assets              
Derivatives, Fair Value [Line Items]              
Derivative asset, fair value of interest rate swap and cap positions $ 0.3       $ 0.3    
Interest rate swap | Derivative instruments and hedging activities | Other current assets              
Derivatives, Fair Value [Line Items]              
Derivative liability, fair value of interest rate swap and cap positions             $ 3.0