Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 30,503	$ 46,543
Accounts receivable, net of allowance of $434 in 2011 and $1,090 in 2010	42,278	40,876
Inventory	8,906	7,205
Prepaid supplies and other	9,785	10,132
Deferred income taxes	31,548	12,879
Aircraft and engines held for sale	9,831	0
TOTAL CURRENT ASSETS	132,851	117,635
Property and equipment, net	748,913	658,756
Other assets	18,579	25,227
Intangibles	6,396	9,259
Goodwill	86,980	89,777
TOTAL ASSETS	993,719	900,654
CURRENT LIABILITIES:
Accounts payable	48,360	40,558
Accrued salaries, wages and benefits	23,226	24,145
Accrued expenses	10,291	12,144
Current portion of debt obligations	13,223	36,591
Unearned revenue	12,487	10,794
TOTAL CURRENT LIABILITIES	107,587	124,232
Long-term debt obligations	333,681	265,937
Post-retirement liabilities	185,562	116,614
Other liabilities	54,212	52,048
Deferred income taxes	42,530	39,746
TOTAL LIABILITIES	723,572	598,577
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; 64,015,789 and 63,652,228 shares issued and outstanding in 2011 and 2010, respectively	640	637
Additional paid-in capital	520,613	518,925
Accumulated deficit	(148,059)	(171,251)
Accumulated other comprehensive loss	(103,047)	(46,234)
TOTAL STOCKHOLDERS’ EQUITY	270,147	302,077
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 993,719	$ 900,654