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Leases and commitments - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Operating Leases |  |
Operating lease right-of-use assets | $ 35.4 | $ 42.5
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Other accrued liabilities | Other accrued liabilities
Other accrued liabilities | $ 19.1 | $ 26.0
Long-term operating lease liabilities | 25.6 | 29.7
Total operating lease liabilities | $ 44.7 | $ 55.7
Finance Leases |  |
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Outsourcing assets, net | Outsourcing assets, net
Outsourcing assets, net | $ 0.1 | $ 0.4
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Current maturities of long-term debt | Current maturities of long-term debt
Current maturities of long-term debt | $ 0.3 | $ 0.7
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Long-term debt | Long-term debt
Long-term debt | $ 0.0 | $ 0.4
Total finance lease liabilities | $ 0.3 | $ 1.1
Weighted-Average Remaining Lease Term (in years) |  |
Operating leases | 3 years 6 months | 2 years 6 months
Finance leases | 6 months | 1 year 4 months 24 days
Weighted-Average Discount Rate |  |
Operating leases (as a percentage) | 8.30% | 6.70%
Finance Leases (as a percentage) | 5.20% | 5.10%

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