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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2018
Sep. 30, 2017
Current assets    
Cash and cash equivalents $ 95,628 $ 90,962
Marketable securities held to maturity 30,271 59,113
Accounts receivable, net 131,776 124,553
Inventories 116,194 103,268
Prepaid expenses and other 6,857 3,936
Total current assets 380,726 381,832
Property, plant and equipment, at cost    
Land 2,494 2,482
Buildings 26,582 26,741
Plant machinery and equipment 279,077 257,172
Marketing equipment 285,689 278,860
Transportation equipment 8,648 8,449
Office equipment 27,948 25,302
Improvements 38,657 38,003
Construction in progress 13,174 16,880
Total Property, plant and equipment, at cost 682,269 653,889
Less accumulated depreciation and amortization 445,001 426,308
Property, plant and equipment, net 237,268 227,581
Other assets    
Goodwill 102,511 102,511
Other intangible assets, net 58,646 61,272
Marketable securities held to maturity 103,548 60,908
Marketable securities available for sale 28,908 30,260
Other 2,625 2,864
Total other assets 296,238 257,815
Total Assets 914,232 867,228
Current Liabilities    
Current obligations under capital leases 336 340
Accounts payable 79,489 72,729
Accrued insurance liability 11,929 10,558
Accrued liabilities 7,770 7,753
Accrued compensation expense 15,147 19,826
Dividends payable 8,415 7,838
Total current liabilities 123,086 119,044
Long-term obligations under capital leases 833 904
Deferred income taxes 50,228 62,705
Other long-term liabilities 2,010 2,253
Stockholders' Equity    
Preferred stock, $1 par value; authorized 10,000,000 shares; none issued 0 0
Common stock, no par value; authorized, 50,000,000 shares; issued and outstanding 18,697,000 and 18,705,000 respectively 23,047 17,382
Accumulated other comprehensive loss (13,770) (8,875)
Retained Earnings 728,798 673,815
Total stockholders' equity 738,075 682,322
Total Liabilities and Stockholders' Equity $ 914,232 $ 867,228