Fuel Risk Management (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of realized and unrealized gains and losses recorded as nonoperating income (expense)

	Year Ended December 31,

Fuel derivative contracts	2012			2011			2010
	(in thousands)
Gains (losses) on fuel derivatives recorded in nonoperating income (expense):
Mark-to-fair value gains (losses) on undesignated fuel hedges:
Realized gains (losses):
Losses realized at settlement	$	(7,372	)	$	(430	)	$	(3,199	)
Reversal of prior period unrealized amounts		2,367			(3,920	)		(226	)
Unrealized gains (losses) on contracts that will settle in future periods		(6,325	)		(2,512	)		4,066

Gains (losses) on fuel derivatives recorded as nonoperating income (expense)	$	(11,330	)	$	(6,862	)	$	641

Schedule of fair value of the asset and liability derivatives

		Fair Value of Derivatives

		Assets as of				Liabilities as of
Derivatives not designated as hedging instruments under ASC 815	Balance Sheet Location	December 31, 2012		December 31, 2011		December 31, 2012		December 31, 2011
		(in thousands)
Fuel derivative contracts	Prepaid expenses and other	$	13,094	$	2,540	$	397	$	517

- 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