CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
ASSETS
Cash	$ 80,080	$ 88,770
Accounts receivable	242,684	199,689
Income tax receivable	6,260	4,672
Inventories of materials and supplies	132,368	121,833
Prepaid expenses, deferred costs and other current assets	36,415	38,796
Total current assets	497,807	453,760
Property and equipment, net	3,967,028	3,164,724
Other receivables	11,831	11,831
Deferred income taxes	589	0
Deferred costs and other assets	29,973	26,951
Total assets	4,507,228	3,657,266
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	94,315	95,827
Accrued liabilities	19,158	17,653
Dividends payable	16,090	0
Short-term debt	11,885	8,071
Interest payable	8,099	7,945
Income tax payable	14,234	16,554
Deferred credits and other liabilities	3,596	10,822
Total current liabilities	167,377	156,872
Long-term debt	1,742,122	1,263,232
Deferred income taxes	783	485
Deferred credits	4,100	1,176
Other	37,322	28,130
Total long-term liabilities	1,784,327	1,293,023
Commitments and contingencies
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 64,362 issued and outstanding at September 30, 2014 and 90,000 shares authorized and 64,057 shares issued and outstanding at September 30, 2013	64,362	64,057
Paid-in capital	201,464	183,390
Retained earnings	2,286,137	1,961,405
Accumulated other comprehensive income (loss)	3,561	(1,481)
Total shareholders’ equity	2,555,524	2,207,371
Total liabilities and shareholders’ equity	$ 4,507,228	$ 3,657,266