Fair Value Measurement (Tables)

3 Months Ended

Dec. 31, 2016

Financial Assets and Financial Liabilities that are Measured at Fair Value on a Recurring Basis

The following table presents on a gross basis our financial assets and liabilities including both current and noncurrent portions, that are measured at fair value on a recurring basis within the fair value hierarchy, as of December 31, 2016, September 30, 2016 and December 31, 2015:



	Asset (Liability)
	Level 1			Level 2			Level 3		Total
December 31, 2016:
Derivative instruments:
Assets:
Commodity contracts	$	62.7		$	61.8		$	—	$	124.5
Foreign currency contracts	$	—		$	26.0		$	—	$	26.0
Cross-currency swaps	$	—		$	3.5		$	—	$	3.5
Liabilities:
Commodity contracts	$	(53.1	)	$	(12.4	)	$	—	$	(65.5	)
Foreign currency contracts	$	—		$	(0.2	)	$	—	$	(0.2	)
Interest rate contracts	$	—		$	(2.8	)	$	—	$	(2.8	)
Non-qualified supplemental postretirement grantor trust investments (a)	$	34.2		$	—		$	—	$	34.2
September 30, 2016:
Derivative instruments:
Assets:
Commodity contracts	$	28.9		$	26.0		$	—	$	54.9
Foreign currency contracts	$	—		$	17.8		$	—	$	17.8
Liabilities:
Commodity contracts	$	(76.8	)	$	(21.8	)	$	—	$	(98.6	)
Foreign currency contracts	$	—		$	(2.4	)	$	—	$	(2.4	)
Interest rate contracts	$	—		$	(3.9	)	$	—	$	(3.9	)
Cross-currency swaps	$	—		$	(0.5	)	$	—	$	(0.5	)
Non-qualified supplemental postretirement grantor trust investments (a)	$	33.0		$	—		$	—	$	33.0
December 31, 2015:
Derivative instruments:
Assets:
Commodity contracts	$	19.7		$	10.8		$	—	$	30.5
Foreign currency contracts	$	—		$	25.4		$	—	$	25.4
Interest rate contracts	$	—		$	0.6		$	—	$	0.6
Cross-currency swaps	$	—		$	1.9		$	—	$	1.9
Liabilities:
Commodity contracts	$	(70.5	)	$	(97.5	)	$	—	$	(168.0	)
Interest rate contracts	$	—		$	(9.8	)	$	—	$	(9.8	)
Non-qualified supplemental postretirement grantor trust investments (a)	$	31.7		$	—		$	—	$	31.7


(a)	Consists primarily of mutual fund investments held in grantor trusts associated with non-qualified supplemental retirement plans.