Unaudited Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 51,683	$ 30,503
Accounts receivable, net of allowance of $433 in 2012 and $434 in 2011	35,530	42,278
Inventory	8,974	8,906
Prepaid supplies and other	7,695	9,785
Deferred income taxes	17,418	31,548
Aircraft and engines held for sale	7,247	9,831
TOTAL CURRENT ASSETS	128,547	132,851
Property and equipment, net	775,802	748,913
Other assets	18,154	18,579
Intangibles	6,333	6,396
Goodwill	86,980	86,980
TOTAL ASSETS	1,015,816	993,719
CURRENT LIABILITIES:
Accounts payable	43,679	48,360
Accrued salaries, wages and benefits	22,337	23,226
Accrued expenses	9,841	10,291
Current portion of debt obligations	15,230	13,223
Unearned revenue	12,283	12,487
TOTAL CURRENT LIABILITIES	103,370	107,587
Long-term debt obligations	353,273	333,681
Post-retirement liabilities	183,895	185,562
Other liabilities	64,261	54,212
Deferred income taxes	32,815	42,530
TOTAL LIABILITIES	737,614	723,572
Commitments and contingencies (Note G)
STOCKHOLDERS’ EQUITY:
Preferred stock, 20,000,000 shares authorized, including 75,000 Series A Junior Participating Preferred Stock	0	0
Common stock, par value $0.01 per share; 75,000,000 shares authorized; 64,266,489 and 64,015,789 shares issued and outstanding in 2012 and 2011, respectively	643	640
Additional paid-in capital	521,366	520,613
Accumulated deficit	(141,627)	(148,059)
Accumulated other comprehensive loss	(102,180)	(103,047)
TOTAL STOCKHOLDERS’ EQUITY	278,202	270,147
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 1,015,816	$ 993,719