Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring and Nonrecurring Basis

The following table presents our fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis (in millions):

	September 30, 2020								December 31, 2019
	Carrying amount		Fair value						Carrying amount		Fair value
			Level 1		Level 2		Level 3				Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents (Note 1)	$	31.2	$	31.2	$	—	$	—	$	15.4	$	15.4	$	—	$	—
Liabilities:
Interest rate swaps (Note 10)	43.1		—		43.1		—		21.9		—		21.9		—
Contingent consideration (Note 2)	3.1		—		—		3.1		9.0		—		—		9.0
Redeemable noncontrolling interests	578.0		—		—		578.0		—		—		—		—

Change in Fair Value of Contingent Consideration

The following table presents a summary of the change in fair value of our Level 3 fair value measurements (in millions):

Beginning balance, December 31, 2019	$	9.0
Adjustments related to prior year acquisition	(9.0)
Adjustments related to current year acquisitions	3.1
Ending balance, September 30, 2020	$	3.1