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

12 Months Ended

Dec. 31, 2015

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 December 31, 2015 and 2014 follow:

	December 31, 2015				December 31, 2014
	Carrying		Fair Value		Carrying		Fair Value
(in millions)	Value		(Level 2)		Value		(Level 2)
Total long-term debt	$	1,353.9	$	1,421.6	$	1,311.6	$	1,410.9

Fair values for derivatives

The fair value of the Company's derivatives follow: 

	Fair Value As of		Fair Value As of
	December 31, 2015		December 31, 2014
(in millions)	(Level 2)		(Level 2)
Interest rate swaps — net asset position	$	5.2	$	1.0