Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Apr. 30, 2014
Current assets:
Cash and cash equivalents	$ 43,637	$ 121,641
Receivables	22,217	25,841
Inventories	168,280	204,833
Prepaid expenses	2,906	1,478
Deferred income taxes	17,722	23,292
Income tax receivable	1,624	12,473
Total current assets	256,386	389,558
Other assets, net of amortization	17,163	15,947
Goodwill	127,046	120,406
Property and equipment, net of accumulated depreciation of $1,160,558 at January 31, 2015 and $1,062,278 at April 30, 2014	1,986,945	1,778,965
Total assets	2,387,540	2,304,876
Current liabilities:
Notes payable to bank	18,500	0
Current maturities of long-term debt	7,893	553
Accounts payable	174,704	250,807
Accrued expenses	123,848	139,529
Total current liabilities	324,945	390,889
Long-term debt, net of current maturities	845,846	853,642
Deferred income taxes	340,084	318,023
Deferred compensation	17,147	16,558
Other long-term liabilities	20,409	22,500
Total liabilities	1,548,431	1,601,612
Shareholders’ equity:
Preferred stock, no par value	0	0
Common stock, no par value	53,720	33,878
Retained earnings	785,389	669,386
Total shareholders’ equity	839,109	703,264
Total Liabilities and Shareholders' Equity	$ 2,387,540	$ 2,304,876