Debt and Financing - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Book Value
Debt Instrument [Line Items]
Long-term debt, fair value	$ 1,538.0	$ 1,554.5
Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value	1,507.2	1,539.7
UST Loan | Book Value
Debt Instrument [Line Items]
Long-term debt, fair value	701.4	673.3
UST Loan | Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value	703.6	636.5
Term Loan | Book Value
Debt Instrument [Line Items]
Long-term debt, fair value	556.8	590.9
Term Loan | Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value	523.6	612.9
Second A&R CDA | Book Value
Debt Instrument [Line Items]
Long-term debt, fair value	66.0	66.5
Second A&R CDA | Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value	66.3	66.6
Lease financing obligations | Book Value
Debt Instrument [Line Items]
Long-term debt, fair value	213.8	223.8
Lease financing obligations | Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value	$ 213.7	$ 223.7