Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 405,713	$ 281,502
Restricted cash	5,000	5,000
Short-term investments	287,995	278,545
Accounts receivable, net	85,388	81,723
Spare parts and supplies, net	18,238	19,164
Prepaid expenses and other	57,918	75,050
Total	860,252	740,984
Property and equipment, less accumulated depreciation and amortization of $494,121 and $432,510 as of September 30, 2016 and December 31, 2015, respectively	1,581,027	1,552,742
Other Assets:
Long-term prepayments and other	67,468	70,873
Intangible assets, less accumulated amortization of $30,222 and $28,400 as of September 30, 2016 and December 31, 2015, respectively	18,726	18,660
Goodwill	106,663	106,663
Total Assets	2,634,136	2,489,922
Current Liabilities:
Accounts payable	107,456	101,310
Air traffic liability	515,388	430,766
Other accrued liabilities	150,848	160,258
Current maturities of long-term debt and capital lease obligations	58,349	74,441
Total	832,041	766,775
Long-Term Debt and Capital Lease Obligations	506,328	677,915
Other Liabilities and Deferred Credits:
Accumulated pension and other postretirement benefit obligations	363,732	372,700
Other liabilities and deferred credits	100,674	89,845
Deferred tax liability, net	165,677	136,625
Total	630,083	599,170
Commitments and Contingencies
Shareholders’ Equity:
Special preferred stock, $0.01 par value per share, three shares issued and outstanding as of September 30, 2016 and December 31, 2015	0	0
Common stock, $0.01 par value per share, 53,426,475 and 53,401,439 shares outstanding as of September 30, 2016 and December 31, 2015, respectively	534	534
Capital in excess of par value	123,504	124,091
Accumulated income	654,204	420,714
Accumulated other comprehensive loss, net	(112,558)	(99,277)
Total	665,684	446,062
Total Liabilities and Shareholders’ Equity	$ 2,634,136	$ 2,489,922