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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

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 December 31, 2014 and 2013:



	December 31, 2014
	Level 1				Level 2				Level 3				Total
	(in millions)
Location and Description
Cash equivalents	$	69.0			$	—			$	—			$	69.0
Other current assets (investments)	73.9				2.7				—				76.6
Other current assets (other derivative agreements)	—				25.0				—				25.0
Other long-term assets (other derivative agreements)	—				22.3				—				22.3
Total Assets	$	142.9			$	50.0			$	—			$	192.9
Other current liabilities (interest rate swaps)	—				(0.8		)		—				(0.8		)
Other current liabilities (biofuel blending obligations)	—				(49.6		)		—				(49.6		)
Other long-term liabilities (interest rate swaps)	—				(0.2		)		—				(0.2		)
Total Liabilities	$	—			$	(50.6	)		$	—			$	(50.6	)



	December 31, 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)	—				0.9				—				0.9
Other long-term assets (other derivative agreements)	—				0.1				—				0.1
Total Assets	$	81.0			$	1.0			$	—			$	82.0
Other current liabilities (other derivative agreements)	—				(15.3		)		—				(15.3		)
Other current liabilities (interest rate swaps)	—				(0.9		)		—				(0.9		)
Other current liabilities (biofuel blending obligations)	—				(16.2		)		—				(16.2		)
Other long-term liabilities (other derivative agreements)	—				(1.8		)		—				(1.8		)
Other long-term liabilities (interest rate swaps)	—				(1.0		)		—				(1.0		)
Total Liabilities	$	—			$	(35.2	)		$	—			$	(35.2	)