Cash and Cash Equivalents

9 Months Ended

Sep. 30, 2020

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalents

Cash and Cash Equivalents

The following table provides a summary of cash and cash equivalents and the level in the fair value hierarchy in which those measurements fall:

	September 30, 2020						December 31, 2019
(in millions)	Total		Level 1		Level 2		Total		Level 1		Level 2 (1)
Cash	$	298.4	$	298.4	$	—	$	85.3	$	85.3	$	—
Money market mutual funds	535.9		535.9		—		115.5		115.5		—
Commercial paper	—		—		—		10.0		—		10.0
Restricted cash	3.8		3.8		—		2.9		2.9		—
Total cash and cash equivalents	$	838.1	$	838.1	$	—	$	213.7	$	203.7	$	10.0

(1) Fair value was determined using market prices obtained from third-party pricing sources.