Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Component of Debt

At June 30, 2018 and December 31, 2017, debt consisted of the following (in millions):

	June 30, 2018			December 31, 2017
Senior secured credit facilities, weighted-average interest rate of 4.57% and 3.75%, respectively	$	6,962.2		$	1,492.2
5.875% senior notes due 2023		—			600.0
Other indebtedness		30.4			—
Unamortized original issue discount and debt issuance costs		(82.3	)		(47.0	)
		6,910.3			2,045.2
Less current portion of long-term debt		73.3			37.9
Long-term debt	$	6,837.0		$	2,007.3

Schedule of Carrying Amounts and Fair Values of Financial Instruments

The carrying amounts and fair values of financial instruments are as follows (in millions):

	June 30, 2018				December 31, 2017
	Carrying		Fair		Carrying		Fair
	Amount		Value		Amount		Value
Financial liabilities:
Senior secured credit facilities	$	6,962.2	$	6,960.0	$	1,492.2	$	1,500.8
5.875% senior notes due 2023		—		—		600.0		631.3
Other indebtedness		30.4		30.7		—		—