Unaudited Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
ASSETS
Cash and cash equivalents	$ 119,161	$ 88,770
Accounts receivable	204,079	199,689
Income tax receivable	6,097	4,672
Inventories of materials and supplies	123,184	121,833
Prepaid expenses and deferred costs	16,136	38,796
Total current assets	468,657	453,760
Property and equipment, net	3,586,049	3,164,724
Other receivables	11,831	11,831
Deferred costs and other assets	31,572	26,951
Deferred income taxes	518	0
Total assets	4,098,627	3,657,266
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	70,312	95,827
Accrued liabilities	21,977	17,653
Notes payable	0	8,071
Interest payable	18,564	7,945
Income tax payable	22,586	16,554
Deferred credits	4,300	10,822
Total current liabilities	137,739	156,872
LONG TERM LIABILITIES:
Long-term debt	1,467,406	1,263,232
Deferred income taxes	354	485
Deferred credits	4,588	1,176
Other	38,099	28,130
Total long-term liabilities	1,510,447	1,293,023
Commitments and contingencies (Note 11)
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 64,338 issued and outstanding at June 30, 2014 and 90,000 shares authorized with 64,057 issued and outstanding at September 30, 2013	64,338	64,057
Paid-in capital	197,501	183,390
Retained earnings	2,190,027	1,961,405
Accumulated other comprehensive loss	(1,425)	(1,481)
Total shareholders' equity	2,450,441	2,207,371
Total liabilities and shareholders' equity	$ 4,098,627	$ 3,657,266