Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jul. 31, 2021	Apr. 30, 2021
Current assets:
Cash and cash equivalents	$ 198,928	$ 336,545
Receivables	109,017	79,698
Inventories	338,082	286,598
Prepaid expenses	16,878	11,214
Income taxes receivable	8,361	9,578
Total current assets	671,266	723,633
Other assets, net of amortization	148,101	82,147
Goodwill	440,415	161,075
Property and equipment, net of accumulated depreciation of $2,250,982 at July 31, 2021 and $2,206,405 at April 30, 2021	3,816,190	3,493,459
Total assets	5,075,972	4,460,314
Current liabilities:
Current maturities of long-term debt and finance lease obligations	34,101	2,354
Accounts payable	453,514	355,471
Accrued expenses	253,327	254,924
Total current liabilities	740,942	612,749
Long-term debt and finance lease obligations, net of current maturities	1,682,171	1,361,395
Deferred income taxes	471,838	439,721
Deferred compensation	15,159	15,094
Insurance accruals, net of current portion	25,729	26,239
Other long-term liabilities	109,468	72,437
Total liabilities	3,045,307	2,527,635
Shareholders’ equity:
Preferred stock, no par value	0	0
Common stock, no par value	50,458	58,951
Retained earnings	1,980,207	1,873,728
Total shareholders’ equity	2,030,665	1,932,679
Total liabilities and shareholders' equity	$ 5,075,972	$ 4,460,314