Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Oct. 31, 2019	Apr. 30, 2019
Current assets:
Cash and cash equivalents	$ 43,976	$ 63,296
Receivables	44,775	37,856
Inventories	271,443	273,040
Prepaid expenses	13,783	7,493
Income tax receivable	21,344	28,895
Total current assets	395,321	410,580
Other assets, net of amortization	66,016	41,154
Goodwill	157,648	157,223
Property and equipment, net of accumulated depreciation of $1,934,418 at October 31, 2019 and $1,826,936 at April 30, 2019	3,246,884	3,122,419
Total assets	3,865,869	3,731,376
Current liabilities:
Lines of credit	25,000	75,000
Current maturities of long-term debt	577,698	17,205
Accounts payable	327,114	335,240
Accrued expenses	154,249	163,487
Total current liabilities	1,084,061	590,932
Long-term debt and finance lease obligations, net of current maturities	715,060	1,283,275
Deferred income taxes	417,271	385,788
Deferred compensation	15,847	15,881
Insurance accruals, net of current portion	22,247	22,663
Other long-term liabilities	49,535	24,068
Total liabilities	2,304,021	2,322,607
Shareholders’ equity:
Preferred stock, no par value	0	0
Common stock, no par value	24,428	15,600
Retained earnings	1,537,420	1,393,169
Total shareholders’ equity	1,561,848	1,408,769
Total liabilities and shareholders' equity	$ 3,865,869	$ 3,731,376