CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
ASSETS
Cash	$ 145,427	$ 113,983
Accounts receivable, net	113,091	311,514
Income tax receivable	6,095	8,705
Inventories of materials and supplies, net	109,925	137,998
Prepaid expenses, deferred costs and other current assets	18,504	33,735
Total current assets	393,042	605,935
Property and equipment, net	4,127,696	4,172,132
Other receivables	11,831	11,831
Deferred income taxes	165	150
Deferred costs and other assets	7,058	11,285
Total assets	4,539,792	4,801,333
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	25,299	70,161
Accrued liabilities	7,868	23,572
Dividends payable	0	16,164
Interest payable	7,096	7,704
Income tax payable	8,294	13,906
Deferred credits and other liabilities	799	3,941
Total current liabilities	49,356	135,448
Long-term debt	1,227,919	1,678,268
Deferred income taxes	1,202	1,658
Deferred credits	0	800
Other	30,929	37,989
Total long-term liabilities	1,260,050	1,718,715
Commitments and contingencies (Note 9)
Shareholders’ equity:
Preferred stock, no par value, 1,000 shares authorized, none outstanding	0	0
Common stock, $1.00 par value, 180,000 shares authorized with 64,799 issued and outstanding at September 30, 2016 and 180,000 shares authorized and 64,654 shares issued and outstanding at September 30, 2015	64,799	64,654
Paid-in capital	237,542	213,096
Retained earnings	2,929,839	2,670,148
Accumulated other comprehensive loss	(1,794)	(728)
Total shareholders’ equity	3,230,386	2,947,170
Total liabilities and shareholders’ equity	$ 4,539,792	$ 4,801,333