Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2018	Apr. 30, 2017
Current assets
Cash and cash equivalents	$ 53,679	$ 76,717
Receivables	45,045	43,244
Inventories	241,668	201,644
Prepaid expenses	5,766	9,179
Income taxes receivable	50,682	19,901
Total current assets	396,840	350,685
Property and equipment, at cost
Land	729,965	637,161
Buildings and leasehold improvements	1,620,218	1,418,709
Machinery and equipment	2,093,878	1,901,503
Leasehold interest in property and equipment	13,690	14,683
Construction in process	56,346	37,574
Property and equipment, at cost	4,514,097	4,009,630
Less accumulated depreciation and amortization	1,611,177	1,496,472
Net property and equipment	2,902,920	2,513,158
Other assets, net of amortization	29,909	23,453
Goodwill	140,258	132,806
Total assets	3,469,927	3,020,102
Current liabilities
Notes payable to bank	39,600	900
Current maturities of long-term debt	15,374	15,421
Accounts payable	321,419	293,903
Accrued expenses
Wages and related taxes	27,704	25,010
Property taxes	29,117	26,721
Insurance accruals	20,029	18,816
Other	54,607	46,607
Total current liabilities	507,850	427,378
Long-term debt, net of current maturities	1,291,725	907,356
Deferred income taxes	341,946	440,124
Deferred compensation	15,928	15,784
Insurance accruals, net of current portion	19,748	19,168
Other long-term liabilities	21,589	19,672
Total liabilities	2,198,786	1,829,482
Commitments and contingencies
Shareholders’ equity
Preferred stock, no par value, none issued	0	0
Common stock, no par value, 36,874,322 and 38,765,821 shares issued and outstanding at April 30, 2018 and 2017, respectively	0	40,074
Retained earnings	1,271,141	1,150,546
Total shareholders’ equity	1,271,141	1,190,620
Total liabilities and shareholders’ equity	$ 3,469,927	$ 3,020,102