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Goodwill and Intangible Assets | 3 Months Ended
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Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets The Company's goodwill is assigned to its Marketing segment and none of the goodwill is deductible for tax purposes.
(Millions of dollars) |  | March 31, 2025 |  | December 31, 2024
Goodwill |  | $ | 328.0 |  |  | $ | 328.0 |
We amortize intangible assets subject to amortization on a straight-line basis based on the period for which the economic benefits of the asset or liability are expected to be realized. The intangible assets subject to amortization includes pipeline space, which is being amortized over a 40-year life, and the intangible lease liability acquired from QuickChek that is being amortized over the remaining life of the underlying leases. Intangible assets subject to amortization at March 31, 2025 and December 31, 2024 consisted of the following:
| Remaining Useful Life (in years) |  | March 31, 2025 |  | December 31, 2024
(Millions of dollars) |  |  | Cost |  | Net |  | Cost |  | Net
Intangible assets subject to amortization: |  |  |  |  |  |  |  |
Pipeline space | 30.4 |  | $ | 39.6 |  |  | $ | 30.4 |  |  | $ | 39.6 |  |  | $ | 30.7 |
Intangible lease liability | 9.2 |  | (9.1) |  |  | (6.3) |  |  | (9.1) |  |  | (6.6) |
Total intangible assets subject to amortization |  | 30.5 |  |  | 24.1 |  |  | 30.5 |  |  | 24.1 |
Intangible assets not subject to amortization, indefinite lives: |  |  |  |  |  |  |  |
Trade name |  |  | 115.4 |  |  | 115.4 |  |  | 115.4 |  |  | 115.4 |
Intangible assets, net of amortization |  | $ | 145.9 |  |  | $ | 139.5 |  |  | $ | 145.9 |  |  | $ | 139.5 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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