Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Disclosure of Fair Value and Carrying Value of Debt Instruments

The estimated fair value, as well as the carrying value, of the Company's debt instruments as of March 31, 2024 and December 31, 2023 are shown below:

	March 31, 2024		December 31, 2023
Estimated aggregate fair value	$	678.0	$	655.6
Aggregate carrying value (1)		686.7		671.3

(1) Total debt excluding the impact of unamortized debt discount and debt issuance costs.

Schedule of Contingent Consideration Liabilities Measured and Recorded at Fair Value

The following table sets forth the Company’s contingent consideration liabilities measured and recorded at fair value as of March 31, 2024 and December 31, 2023, and their presentation on the Condensed Consolidated Balance Sheets:

	Level 3
Balance Sheet Location	March 31, 2024		December 31, 2023
Other current liabilities	$	4.3	$	0.4
Other liabilities		1.0		4.2

Summary of Changes to Level 3 Instruments

The following is a summary of changes to Level 3 instruments for the three months ended March 31, 2024:

	Contingent Consideration
Balance, December 31, 2023	$	4.6
Changes in fair value		0.7
Balance, March 31, 2024	$	5.3

Summary of Maturity Dates Unit of Measure and Notional Value for Derivative Instruments

The following table summarizes the maturity dates, unit of measure and notional value for the Company's derivative instruments as of March 31, 2024:

Maturity Date of Derivatives	Currency / Unit of Measure	Notional Value
Interest rate cap (December 2025)	One-month SOFR	$	200.0
Fuel swaps (various through February 2026)	Gallons		6.5

Summary of Derivative Instruments Measured at Fair Value

The following table sets forth the location and fair value of the Company’s derivative instruments as of March 31, 2024 and December 31, 2023 on the Condensed Consolidated Balance Sheets:

	Asset Derivatives					Liability Derivatives
Derivatives designated as hedges	Balance Sheet location	March 31, 2024		December 31, 2023		Balance Sheet location	March 31, 2024		December 31, 2023
Interest rate cap - current portion	Prepaid expenses and other current assets	$	—	$	—	Accrued expenses	$	1.6	$	1.6
Interest rate cap - long-term	Other assets		2.0		1.7	Other liabilities		1.2		1.6