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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of effect of derivatives in our consolidated statements of operations

	Three months ended September 30,						Nine months ended September 30,

	2012			2011			2012			2011
	(in millions)
Realized losses	$	(31.7	)	$	(15.8	)	$	(134.1	)	$	(24.5	)
Unrealized mark-to-market gains (losses)		39.8			(14.1	)		61.5			(27.6	)

Net derivative gains (losses)	$	8.1		$	(29.9	)	$	(72.6	)	$	(52.1	)

Schedule of fair values of derivatives in our consolidated balance sheet

	September 30, 2012			December 31, 2011

	(in millions)
Unrealized gains in other current assets	$	0.9		$	0.5
Unrealized losses in other current liabilities		(13.6	)		(74.7	)

Net unrealized derivative losses	$	(12.7	)	$	(74.2	)

- Definition

Tabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges.

+ References+ Details

- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References+ Details