Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 30, 2019
Current assets
Cash and cash equivalents	$ 78,275	$ 63,296
Receivables	48,500	37,856
Inventories	236,007	273,040
Prepaid expenses	9,801	7,493
Income taxes receivable	14,667	28,895
Total current assets	387,250	410,580
Property and equipment, at cost
Land	872,151	792,601
Buildings and leasehold improvements	1,969,585	1,770,695
Machinery and equipment	2,369,361	2,236,123
Finance lease right-of-use assets	24,780	25,323
Construction in process	125,632	124,613
Property and equipment, at cost	5,361,509	4,949,355
Less accumulated depreciation and amortization	2,037,708	1,826,936
Net property and equipment	3,323,801	3,122,419
Other assets, net of amortization	71,766	41,154
Goodwill	161,075	157,223
Total assets	3,943,892	3,731,376
Current liabilities
Lines of credit	120,000	75,000
Current maturities of long-term debt	570,280	17,205
Accounts payable	184,800	335,240
Accrued expenses
Wages and related taxes	34,039	39,950
Property taxes	36,348	32,931
Insurance accruals	22,097	21,671
Other	95,864	68,935
Total current liabilities	1,063,428	590,932
Long-term debt and finance lease obligations, net of current maturities	714,502	1,283,275
Deferred income taxes	435,598	385,788
Deferred compensation	13,604	15,881
Insurance accruals, net of current portion	22,862	22,663
Other long-term liabilities	50,693	24,068
Total liabilities	2,300,687	2,322,607
Commitments and contingencies
Shareholders’ equity
Preferred stock, no par value, none issued	0	0
Common stock, no par value, 36,806,325 and 36,664,521 shares issued and outstanding at April 30, 2020 and 2019, respectively	33,286	15,600
Retained earnings	1,609,919	1,393,169
Total shareholders’ equity	1,643,205	1,408,769
Total liabilities and shareholders’ equity	$ 3,943,892	$ 3,731,376