Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Fair value and related carrying amount of certain financial instruments

The fair value of financial assets and liabilities at December 31, 2016 and 2015, is shown in the table below:

	Fair Value Measurements
	Gross Amounts of Assets and Liabilities						Netting Adjustments(1)			Net Amounts Presented on the Consolidated Balance Sheet
	Level 1		Level 2		Level 3
	(in millions)
	December 31, 2016
Financial Assets
Fair value of derivative contracts – short-term	$	—	$	—	$	—	$	—		$	—
Fair value of derivative contracts – long-term	—		—		—		—			—
Total financial assets	$	—	$	—	$	—	$	—		$	—
Financial Liabilities
Fair value of derivative contracts – short-term	$	—	$	169.8	$	—	$	—		$	169.8
Fair value of derivative contracts – long-term	—		32.0		—		—			32.0
Total financial liabilities	$	—	$	201.8	$	—	$	—		$	201.8
	December 31, 2015
Financial Assets
Fair value of derivative contracts – short-term	$	—	$	147.8	$	—	$	(1.0	)	$	146.8
Fair value of derivative contracts – long-term	—		23.2		—		—			23.2
Total financial assets	$	—	$	171.0	$	—	$	(1.0	)	$	170.0
Financial Liabilities
Fair value of derivative contracts – short-term	$	—	$	1.8	$	—	$	(1.0	)	$	0.8
Fair value of derivative contracts – long-term	—		4.0		—		—			4.0
Total financial liabilities	$	—	$	5.8	$	—	$	(1.0	)	$	4.8

The following table discloses the fair value and related carrying amount of certain financial instruments not disclosed in other Notes to the Consolidated Financial Statements in this Annual Report on Form 10-K:

	Carrying Amount		Level 1 Fair Value		Carrying Amount		Level 1 Fair Value
	December 31, 2016				December 31, 2015
Financial Assets	(in millions)
Cash and cash equivalents	$	443.8	$	443.8	$	376.1	$	376.1
Financial Liabilities
Checks outstanding in excess of cash balances	$	12.3	$	12.3	$	29.8	$	29.8
Long-term debt	$	2,020.9	$	2,104.3	$	2,191.5	$	1,784.6