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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016 and 2015:



	December 31, 2016
	Level 1				Level 2				Level 3				Total
	(in millions)
Location and Description
Cash equivalents	$	15.8			$	—			$	—			$	15.8
Other current assets (investments)	0.1				—				—				0.1
Other current assets (derivative agreements)	—				—				—				—
Total Assets	$	15.9			$	—			$	—			$	15.9
Other current liabilities (other derivative agreements)	—				(11.1		)		—				(11.1		)
Other current liabilities (biofuel blending obligation & benzene obligation)	—				(187.0		)		—				(187.0		)
Total Liabilities	$	—			$	(198.1	)		$	—			$	(198.1	)



	December 31, 2015
	Level 1				Level 2				Level 3				Total
	(in millions)
Location and Description
Cash equivalents	$	15.7			$	—			$	—			$	15.7
Other current assets (investments)	0.1				—				—				0.1
Other current assets (derivative agreements)	—				44.7				—				44.7
Total Assets	$	15.8			$	44.7			$	—			$	60.5
Other current liabilities (derivative agreements)	—				(0.1		)		—				(0.1		)
Other current liabilities (interest rate swaps)	—				(0.1		)		—				(0.1		)
Other current liabilities (biofuel blending obligations)	—				(2.7		)		—				(2.7		)
Total Liabilities	$	—			$	(2.9	)		$	—			$	(2.9	)