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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]  
Summary of Components of Lease Cost The components of lease cost follow:
(in millions)202320222021
Operating lease cost
$21.2 $19.6 $17.6 
Variable lease cost
5.5 4.4 3.0 
Short-term lease cost6.9 5.1 3.2 
Total lease cost$33.6 $29.1 $23.8 
Summary of Lease Assets and Lease Liabilities
A summary of lease assets and liabilities follows:
(in millions)
December 31,
2023		December 31,
2022
Assets:
Operating lease right-of-use assets(1)
$50.4 $51.1 
Liabilities:
Operating lease liabilities - current(2)
19.8 16.7 
Operating lease liabilities - long-term(3)
34.8 40.4 
Total lease liabilities$54.6 $57.1 
(1)Included in other long-term assets.
(2)Included in accrued and other current liabilities.
(3)Included in other long-term liabilities.
Summary of Maturity of Lease Liabilities
Maturity of lease liabilities as of December 31, 2023, follow:
(in millions)
20242025202620272028ThereafterTotal
Lease payments$21.8 $16.4 $11.3 $6.2 $2.4 $2.7 $60.8 
Less: imputed interest(6.2)
Total lease liabilities$54.6 
Summary of Lease Term and Discount Rate
Lease Term and Discount Rate
December 31,
2023		December 31,
2022
Operating leases:
Weighted-average remaining lease term (in years)3.54.4
Weighted-average discount rate4.4 %4.2 %
Summary of Supplemental Cash Flow Information
Supplemental Cash Flow Information
(in millions)202320222021
Operating lease liabilities - cash paid$19.9 $18.4 $15.6 
Operating lease liabilities - right-of-use assets obtained19.2 18.7 26.3