Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Our financial assets and liabilities that are measured at fair value on a recurring basis are as follows (in millions):



			Fair Value Measurements at Reporting Date Using
As of March 31, 2018	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Valuation Technique ⁽¹⁾
Other current assets:
Current portion of restricted marketable securities	$	10.2	$	—	$	10.2	$	—	M
Other long-term assets:
Restricted marketable securities	45.9		—		45.9		—		M
Redeemable noncontrolling interests	198.6		—		—		198.6		I
As of December 31, 2017
Other current assets:
Current portion of restricted marketable securities	$	17.8	$	—	$	17.8	$	—	M
Other long-term assets:
Restricted marketable securities	44.2		—		44.2		—		M
Redeemable noncontrolling interests	220.9		—		—		220.9		I

⁽¹⁾ The three valuation techniques are: market approach (M), cost approach (C), and income approach (I).

The carrying amounts and estimated fair values for all of our other financial instruments are presented in the following table (in millions):



	As of March 31, 2018				As of December 31, 2017
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Long-term debt:
Advances under revolving credit facility	$	95.0	$	95.0	$	95.0	$	95.0
Term loan facilities	291.0		292.5		294.7		296.3
5.125% Senior Notes due 2023	296.1		304.5		295.9		306.8
5.75% Senior Notes due 2024	1,194.1		1,221.0		1,193.9		1,228.5
5.75% Senior Notes due 2025	344.6		359.2		344.4		364.9
Other notes payable	87.9		87.9		82.3		82.3
Financial commitments:
Letters of credit	—		37.2		—		35.4