Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value

As indicated in the tables below, the Company has determined that all of its financial assets and liabilities as of December 31, 2024 and 2023 are Level 1 and Level 2 in the fair value hierarchy as defined above:

	December 31, 2024
(in millions)	Level 1		Level 2		Total
Financial assets:
Trading equity securities:
Deferred compensation programs' mutual funds	$	5.1	$	—	$	5.1
Preferred stocks	0.3		—		0.3
Equity funds	0.6		—		0.6
Trading debt securities:
Corporate bonds	3.2		—		3.2
Agency bonds	—		1.5		1.5
U.S. government securities	2.4		—		2.4
Asset-backed securities	—		7.1		7.1
Exchange traded funds	0.8		—		0.8
Mortgage backed securities	—		0.4		0.4
Other	0.2		0.3		0.5
Total financial assets	$	12.6	$	9.3	$	21.9
Financial liabilities:
Deferred compensation programs' liabilities	$	—	$	6.1	$	6.1
Total financial liabilities	$	—	$	6.1	$	6.1

	December 31, 2023
(in millions)	Level 1		Level 2		Total
Financial assets:
Trading equity securities:
Deferred compensation programs' mutual funds	$	4.2	$	—	$	4.2
Preferred stocks	0.3		—		0.3
Equity funds	0.7		—		0.7
Trading debt securities:
Corporate bonds	3.4		—		3.4
Agency bonds	—		2.5		2.5
U.S. government securities	1.9		—		1.9
Asset-backed securities	—		4.0		4.0
Exchange traded funds	1.3		—		1.3
Mortgage backed securities	—		0.5		0.5
Other	0.2		0.5		0.7
Total financial assets	$	12.0	$	7.5	$	19.5
Financial liabilities:
Derivative financial instruments	$	—	$	0.1	$	0.1
Deferred compensation programs' liabilities	—		5.5		5.5
Total financial liabilities	$	—	$	5.6	$	5.6