Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Oct. 31, 2017	Apr. 30, 2017
Current assets:
Cash and cash equivalents	$ 285,185	$ 76,717
Receivables	42,498	43,244
Inventories	241,681	201,644
Prepaid expenses	6,767	9,179
Income tax receivable	97	19,901
Total current assets	576,228	350,685
Other assets, net of amortization	24,466	23,453
Goodwill	137,319	132,806
Property and equipment, net of accumulated depreciation of $1,542,953 at October 31, 2017 and $1,496,472 at April 30, 2017	2,682,169	2,513,158
Total assets	3,420,182	3,020,102
Current liabilities:
Notes payable to bank	0	900
Current maturities of long-term debt	15,434	15,421
Accounts payable	307,110	293,903
Accrued expenses	145,085	136,322
Total current liabilities	467,629	446,546
Long-term debt, net of current maturities	1,299,626	907,356
Deferred income taxes	461,667	440,124
Deferred compensation	16,102	15,784
Other long-term liabilities	20,826	19,672
Total liabilities	2,265,850	1,829,482
Shareholders’ equity:
Preferred stock, no par value	0	0
Common stock, no par value	0	40,074
Retained earnings	1,154,332	1,150,546
Total shareholders’ equity	1,154,332	1,190,620
Total liabilities and shareholders' equity	$ 3,420,182	$ 3,020,102

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).

Name:	us-gaap_AccountsPayableCurrent
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).