Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

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, 2021 and 2020 are Level 1 and Level 2 in the fair value hierarchy as defined above:

	December 31, 2021
(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	3.0		—		3.0
Trading debt securities:
Corporate bonds	3.3		—		3.3
Municipal bonds	—		0.2		0.2
Floating rate notes	0.4		—		0.4
U.S. government securities	1.1		—		1.1
Asset-backed securities	—		3.5		3.5
Other	3.1		1.0		4.1
Derivative financial instruments	—		0.1		0.1
Total financial assets	$	16.1	$	4.8	$	20.9
Financial liabilities:
Deferred compensation programs liabilities	$	—	$	7.2	$	7.2
Total financial liabilities	$	—	$	7.2	$	7.2

	December 31, 2020
(in millions)	Level 1		Level 2		Total
Financial assets:
Trading equity securities:
Deferred compensation programs money market fund	$	0.2	$	—	$	0.2
Deferred compensation programs mutual funds	4.8		—		4.8
Preferred stocks	0.3		—		0.3
Equity funds	1.7		—		1.7
Trading debt securities:
Corporate bonds	4.8		—		4.8
Municipal bonds	—		0.9		0.9
Floating rate notes	0.4		—		0.4
U.S. government securities	1.8		—		1.8
Asset-backed securities	—		2.1		2.1
Other	—		1.0		1.0
Derivative financial instruments	—		0.1		0.1
Total financial assets	$	14.0	$	4.1	$	18.1
Financial liabilities:
Derivative financial instruments	$	—	$	0.5	$	0.5
Deferred compensation programs liabilities	—		7.3		7.3
Total financial liabilities	$	—	$	7.8	$	7.8