Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

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

As indicated in the tables below, the Company has determined that all of its financial assets and liabilities as of March 31, 2023 and December 31, 2022 are Level 1 and Level 2 in the fair value hierarchy as defined above:

	March 31, 2023
(in millions)	Level 1		Level 2		Total
Financial assets:
Trading equity securities:
Deferred compensation programs' mutual funds	$	4.9	$	—	$	4.9
Preferred stocks	0.3		—		0.3
Equity funds	0.6		—		0.6
Trading debt securities:
Corporate bonds	4.3		—		4.3
Municipal bonds	—		0.4		0.4
Agency bonds	—		2.2		2.2
Floating rate notes	0.1		—		0.1
U.S. government securities	1.9		—		1.9
Asset-backed securities	—		3.8		3.8
Other	1.4		0.6		2.0
Derivative financial instruments	—		0.1		0.1
Total financial assets	$	13.5	$	7.1	$	20.6
Financial liabilities:
Derivative financial instruments	$	—	$	0.1	$	0.1
Deferred compensation programs' liabilities	—		6.1		6.1
Total financial liabilities	$	—	$	6.2	$	6.2

	December 31, 2022
(in millions)	Level 1		Level 2		Total
Financial assets:
Trading equity securities:
Deferred compensation programs' mutual funds	$	4.4	$	—	$	4.4
Preferred stocks	0.3		—		0.3
Equity funds	0.6		—		0.6
Trading debt securities:
Corporate bonds	5.0		—		5.0
Municipal bonds	—		0.3		0.3
Floating rate notes	0.2		—		0.2
U.S. government securities	0.8		—		0.8
Asset-backed securities	—		5.4		5.4
Other	1.3		0.7		2.0
Total financial assets	$	12.6	$	6.4	$	19.0
Financial liabilities:
Deferred compensation programs' liabilities	$	—	$	5.7	$	5.7
Total financial liabilities	$	—	$	5.7	$	5.7