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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The following table sets forth the assets and liabilities measured at fair value on a recurring basis, by input level, as of September 30, 2013 and December 31, 2012:



	September 30, 2013
	Level 1				Level 2				Level 3				Total
	(in millions)
Location and Description
Cash equivalents	$	81.0			$	—			$	—			$	81.0
Other current assets (other derivative agreements)	—				101.9				—				101.9
Other long-term assets (other derivative agreements)	—				8.2				—				8.2
Total Assets	$	81.0			$	110.1			$	—			$	191.1
Other current liabilities (interest rate swap)	—				(0.9		)		—				(0.9		)
Other long-term liabilities (interest rate swap)	—				(1.2		)		—				(1.2		)
Total Liabilities	$	—			$	(2.1	)		$	—			$	(2.1	)



	December 31, 2012
	Level 1				Level 2				Level 3				Total
	(in millions)
Location and Description
Cash equivalents	$	134.0			$	—			$	—			$	134.0
Other long-term assets (other derivative agreements)	—				0.9				—				0.9
Total Assets	$	134.0			$	0.9			$	—			$	134.9
Other current liabilities (other derivative agreements)	—				(67.7		)		—				(67.7		)
Other current liabilities (interest rate swap)	—				(0.9		)		—				(0.9		)
Other current liabilities (biofuel blending obligation)	—				(1.1		)		—				(1.1		)
Other long-term liabilities (interest rate swap)	—				(1.9		)		—				(1.9		)
Total Liabilities	$	—			$	(71.6	)		$	—			$	(71.6	)