Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 20,932	$ 15,442
Accounts receivable, net of allowance of $601 in 2013 and $749 in 2012	43,840	47,858
Inventory	8,491	9,430
Prepaid supplies and other	7,584	8,855
Deferred income taxes	19,154	19,154
Aircraft and engines held for sale	2,716	3,360
TOTAL CURRENT ASSETS	102,717	104,099
Property and equipment, net	855,954	818,924
Other assets	20,419	20,462
Intangibles	5,021	5,146
Goodwill	86,980	86,980
TOTAL ASSETS	1,071,091	1,035,611
CURRENT LIABILITIES:
Accounts payable	39,455	36,521
Accrued salaries, wages and benefits	18,893	22,917
Accrued expenses	8,797	8,502
Current portion of debt obligations	23,426	21,265
Unearned revenue	10,408	10,311
TOTAL CURRENT LIABILITIES	100,979	99,516
Long term debt obligations	365,330	343,216
Post-retirement liabilities	169,858	185,097
Other liabilities	60,592	62,104
Deferred income taxes	56,806	46,422
TOTAL LIABILITIES	753,565	736,355
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; 64,672,632 and 64,130,056 shares issued and outstanding in 2013 and 2012, respectively	647	641
Additional paid-in capital	523,706	523,087
Accumulated deficit	(91,772)	(107,185)
Accumulated other comprehensive loss	(115,055)	(117,287)
TOTAL STOCKHOLDERS’ EQUITY	317,526	299,256
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 1,071,091	$ 1,035,611