Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jul. 31, 2016	Apr. 30, 2016
Current assets:
Cash and cash equivalents	$ 189,490	$ 75,775
Receivables	32,093	27,701
Inventories	205,773	204,988
Prepaid expenses	5,532	3,008
Income tax receivable	2,441	14,413
Total current assets	435,329	325,885
Other assets, net of amortization	19,382	18,981
Goodwill	128,791	128,566
Property and equipment, net of accumulated depreciation of $1,378,006 at July 31, 2016 and $1,340,249 at April 30, 2016	2,302,577	2,252,475
Total assets	2,886,079	2,725,907
Current liabilities:
Current maturities of long-term debt	15,404	15,375
Accounts payable	269,847	241,207
Accrued expenses	134,861	130,989
Total current liabilities	420,112	387,571
Long-term debt, net of current maturities	872,427	822,628
Deferred income taxes	406,774	394,934
Deferred compensation	17,872	17,813
Other long-term liabilities	19,851	19,498
Total liabilities	1,737,036	1,642,444
Shareholders’ equity:
Preferred stock, no par value	0	0
Common stock, no par value	80,453	72,868
Retained earnings	1,068,590	1,010,595
Total shareholders’ equity	1,149,043	1,083,463
Total Liabilities and Shareholders' Equity	$ 2,886,079	$ 2,725,907