Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jul. 31, 2018	Apr. 30, 2018
Current assets:
Cash and cash equivalents	$ 44,842	$ 53,679
Receivables	46,486	45,045
Inventories	263,879	241,668
Prepaid expenses	8,940	5,766
Income tax receivable	42,404	50,682
Total current assets	406,551	396,840
Other assets, net of amortization	32,769	29,909
Goodwill	140,623	140,258
Property and equipment, net of accumulated depreciation of $1,662,860 at July 31, 2018 and $1,611,177 at April 30, 2018	2,944,564	2,902,920
Total assets	3,524,507	3,469,927
Current liabilities:
Notes payable to bank	27,411	39,600
Current maturities of long-term debt	15,379	15,374
Accounts payable	333,299	321,419
Accrued expenses	149,424	131,457
Total current liabilities	525,513	507,850
Long-term debt, net of current maturities	1,291,638	1,291,725
Deferred income taxes	349,656	341,946
Deferred compensation	16,095	15,928
Other long-term liabilities	42,906	41,337
Total liabilities	2,225,808	2,198,786
Shareholders’ equity:
Preferred stock, no par value	0	0
Common stock, no par value	7,322	0
Retained earnings	1,291,377	1,271,141
Total shareholders’ equity	1,298,699	1,271,141
Total liabilities and shareholders' equity	$ 3,524,507	$ 3,469,927

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).