Investments (Table)

12 Months Ended

Dec. 31, 2023

Investments [Abstract]

Schedule of Investments, Amortized Cost Basis

The following table sets forth selected data with respect to the Company’s investments at December 31, (in millions):

	2023										2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Carrying Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Carrying Value
Available-for-sale securities	$	65.3	$	0.3	$	(0.6)	$	65.0	$	65.0	$	62.6	$	0.1	$	(1.3)	$	61.4	$	61.4
Trading securities	11.6		11.8		—		23.4		23.4		10.2		8.6		—		18.8		18.8
TOTAL INVESTMENTS	$	76.9	$	12.1	$	(0.6)	$	88.4	$	88.4	$	72.8	$	8.7	$	(1.3)	$	80.2	$	80.2

Schedule of Contractual Maturities of Available-For-Sale Investments

Contractual maturities of our investments in available-for-sale securities at December 31, 2023 were as follows (in millions):

	Amortized Cost		Fair Value
Available-for-sale securities
Due within 1 year	$	12.7	$	12.7
After 1 year but within 5 years	40.9		40.9
After 5 years but within 10 years	0.7		0.7
Due after 10 years	11.0		10.7
TOTAL	$	65.3	$	65.0