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Leases (Tables) | 12 Months Ended
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Dec. 31, 2024
Leases [Abstract] |
Schedule of Lease, Cost | The components of lease expense were as follows:
($ in millions) | 2024 |  | 2023 |  | 2022
Operating lease cost | $ | 24.2 |  |  | $ | 20.3 |  |  | $ | 15.5 |
Finance lease - amortization of right-of-use (ROU) assets | 0.9 |  |  | — |  |  | — |
Finance lease - interest on lease liabilities | 0.1 |  |  | — |  |  | — |
Short-term lease cost | 2.5 |  |  | 6.1 |  |  | 1.3 |
Variable lease cost | 9.0 |  |  | 5.5 |  |  | 6.8 |
Total lease cost | $ | 36.7 |  |  | $ | 31.9 |  |  | $ | 23.6 |
Supplemental information related to leases was as follows:
($ in millions) | 2024 |  | 2023 |  | 2022
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |
Operating cash flows from operating leases | $ | 32.5 |  |  | $ | 19.1 |  |  | $ | 13.3 |
Operating cash flows from finance leases | $ | 0.1 |  |  | $ | — |  |  | $ | — |
Financing cash flows from finance leases | $ | 23.3 |  |  | $ | 0.1 |  |  | $ | — |
Right-of-use assets obtained in exchange for new lease liabilities: |  |  |  |  |
Operating leases | $ | 41.2 |  |  | $ | 10.7 |  |  | $ | 47.6 |
Finance leases | $ | 24.6 |  |  | $ | — |  |  | $ | — |
Schedule of Assets And Liabilities, Lessee | The following table summarizes the finance lease amounts in the consolidated balance sheets as of December 31, 2024:
|  | December 31,
($ in millions) | Balance Sheet Classification |  | 2024
ROU assets, net | Other noncurrent assets |  | $ | 29.7 |
Lease liabilities (current) | Other current liabilities |  | $ | 0.9 |
Lease liabilities (noncurrent) | Other long-term liabilities |  | $ | 2.1 |
Schedule of Lessee, Operating Lease, Liability, Maturity | Maturities of lease liabilities as of December 31, 2024 were as follows:
($ in millions) | Operating |  | Finance
Year | Leases |  | Leases
2025 | $ | 23.4 |  |  | $ | 0.9 |
2026 | 20.7 |  |  | 0.9 |
2027 | 16.3 |  |  | 0.9 |
2028 | 14.9 |  |  | 0.5 |
2029 | 11.5 |  |  | 0.1 |
Thereafter | 26.3 |  |  | — |
| 113.1 |  |  | 3.3 |
Less: imputed lease interest | (13.4) |  |  | (0.3) |
Total lease liabilities | $ | 99.7 |  |  | $ | 3.0 |
Finance Lease, Liability, to be Paid, Maturity | Maturities of lease liabilities as of December 31, 2024 were as follows:
($ in millions) | Operating |  | Finance
Year | Leases |  | Leases
2025 | $ | 23.4 |  |  | $ | 0.9 |
2026 | 20.7 |  |  | 0.9 |
2027 | 16.3 |  |  | 0.9 |
2028 | 14.9 |  |  | 0.5 |
2029 | 11.5 |  |  | 0.1 |
Thereafter | 26.3 |  |  | — |
| 113.1 |  |  | 3.3 |
Less: imputed lease interest | (13.4) |  |  | (0.3) |
Total lease liabilities | $ | 99.7 |  |  | $ | 3.0 |

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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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