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Leases (Tables)
 3 Months Ended
Mar. 31, 2023
Leases [Abstract]  
Future minimum lease payments
Future minimum lease payments for operating and finance lease obligations as of March 31, 2023 consisted of the following:
Operating LeasesFinance Leases
(in millions)
2023 (remaining)$6.0 $5.4 
20247.5 7.1 
20256.8 5.1 
20265.4 1.3 
20273.3 0.2 
Thereafter10.8 — 
Total undiscounted future minimum lease obligations39.8 19.1 
Less imputed interest(3.2)(1.0)
Present value of net minimum lease obligations$36.6 $18.1 
Balance sheet classification
The following table summarizes our operating and finance leases and their classification within the Consolidated Balance Sheet.
March 31,
2023		December 31,
2022
(in millions)
Assets
Operating - Other assets
$34.1 $33.9 
Finance - Property, plant, and equipment, net
20.3 22.4 
Total lease assets54.4 56.3 
Liabilities
Current
Operating - Accrued liabilities
7.0 6.7 
Finance - Current portion of long-term debt
6.4 6.3 
Non-current
Operating - Other liabilities
29.6 29.9 
Finance - Debt
11.7 12.8 
Total lease liabilities$54.7 $55.7