Financial Assets and Financial Liabilities Measured at Fair Value (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Carrying values and estimated fair values of long-term debt, including current maturities

The carrying values and estimated fair values of long-term debt at March 31, 2018 and December 31, 2017 follow:

	March 31, 2018				December 31, 2017
(in millions)	Carrying Value		Fair Value (Level 2)		Carrying Value		Fair Value (Level 2)
Long-term debt, less current portion	$	1,544.2	$	1,565.4	$	1,542.4	$	1,591.0

Fair values for derivatives

The fair value of the Company's derivatives follows:

	Fair Value As of			Fair Value As of
	March 31, 2018			December 31, 2017
(in millions)	(Level 2)			(Level 2)
Interest rate swaps — net asset (liability) position	$	(6.9	)	$	(0.6	)