Financial Instruments and Contingent Consideration (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Estimated Fair Value of Financial Instruments

The estimated fair values of our financial instruments and contingent consideration are as follows:

	December 31, 2023						December 31, 2022
	Carrying amount			Estimated fair value			Carrying amount			Estimated fair value
Assets (liabilities), net:
Total long-term debt, including current portion	$	(586.8	)	$	(586.8	)	$	(651.1	)	$	(645.3	)
Interest rate swap contracts		(0.4	)		(0.4	)		11.4			11.4
Acquisition-related contingent consideration		(1.6	)		(1.6	)		(15.2	)		(15.2	)

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The fair value measurement of assets and liabilities measured at fair value on a recurring basis and reported on the Consolidated Balance Sheets is summarized below:

	December 31, 2023						December 31, 2022
	Fair value based on						Fair value based on
	Other observable inputs			Other unobservable inputs			Other observable inputs
	Level 2			Level 3			Level 2
Assets (liabilities), net:
Interest rate swap contracts	$	(0.4	)	$	-		$	11.4
Acquisition-related contingent consideration		-			(1.6	)		-

Schedule of Weighted-average Of Significant Unobservable Inputs

The following table summarizes the weighted-average of the significant unobservable inputs as of December 31, 2023:

	BOK			Insolcorp
Unobservable input
Volatility		24.3	%		20.0	%
Discount rates		4.5	%		4.8	%

Schedule of Changes in Fair Value of the Acquisition-related Contingent Consideration Liability

The changes in fair value of the acquisition-related contingent consideration liabilities for the years ended December 31, 2023, 2022 and 2021 were as follows:

	Fair Value of Contingent Consideration
Balance as of December 31, 2020	$	16.9
(Gain) related to change in fair value of contingent consideration		(4.1	)
Balance as of December 31, 2021	$	12.8
Cash consideration paid		(8.6	)
Loss related to change in fair value of contingent consideration		11.0
Balance as of December 31, 2022	$	15.2
Cash consideration paid		(15.2	)
Acquisition date fair value of BOK contingent consideration		0.8
Acquisition date fair value of Insolcorp contingent consideration		0.7
Loss related to change in fair value of contingent consideration		0.1
Balance as of December 31, 2023	$	1.6