For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Fair Value Measurements - Financial Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Apr. 30, 2022	Dec. 31, 2021
Fair Value
Contingent consideration	$ 6.7	$ 6.4	$ 5.5	$ 4.4	$ 7.2		$ 6.9
Debt issuance costs	33.5		34.9
Amarillo Rattler, LLC
Fair Value
Contingent consideration	5.0	$ 4.6	4.2	$ 4.4	$ 7.2		$ 6.9
Business combination, maximum earnout						$ 15.0
Carrying Value
Fair Value
Long-term debt	4,719.3		4,723.5
Contingent consideration	6.7		5.5
Fair Value
Fair Value
Long-term debt	4,331.2		4,385.9
Contingent consideration	$ 6.7		$ 5.5