Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value, Liabilities Measured on Recurring Basis

Below is a summary of financial assets and liabilities that are measured at fair value on a recurring basis as of:

($ in millions)	Quoted Prices in Active Market (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
December 31, 2023
Contingent consideration liabilities	$	—	$	—	$	9.3	$	9.3
Deferred compensation liabilities	4.2		—		—		4.2
December 31, 2022
Equity securities measured at fair value	$	21.3	$	—	$	—	$	21.3
Contingent consideration liabilities	—		—		11.6		11.6
Deferred compensation liabilities	—		5.1		—		5.1