FINANCIAL INVESTMENTS (Tables)

6 Months Ended

Jun. 30, 2020

INVESTMENTS

Schedule of Financial Investments

	June 30, 2020
	Cost basis		Unrealized gains		Unrealized losses		Fair value
Available-for-sale securities:
U.S. Treasury securities	$	155.6	$	—	$	—	$	155.6
Trading securities:
Marketable securities (1)		20.9		—		—		20.9
Total financial investments	$	176.5	$	—	$	—	$	176.5

	December 31, 2019
	Cost basis		Unrealized gains		Unrealized losses		Fair value
Available-for-sale securities:
U.S. Treasury securities	$	47.6	$	—	$	—	$	47.6
Trading securities:
Marketable securities (1)		23.4		—		—		23.4
Total financial investments	$	71.0	$	—	$	—	$	71.0

(1) The marketable securities are primarily mutual funds maintained for non-qualified retirement and benefit plans, also referred to as deferred compensation plan assets. See Note 15 (“Employee Benefit Plans”) for more information.