Fair Value Measurements - Recurring (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Interest rate swaps
Fair Value
Net fair value of commodity derivatives	$ 8.1	$ 0.0
Commodity swaps
Fair Value
Net fair value of commodity derivatives	6.7	25.7
Level 2 \| Interest rate swaps \| Recurring
Fair Value
Net fair value of commodity derivatives	8.1	0.0
Level 2 \| Commodity swaps \| Recurring
Fair Value
Net fair value of commodity derivatives	$ 6.7	$ 25.7

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

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