CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Current Assets:
Cash and cash equivalents	$ 245,875	$ 101,954
Short-term investments	33,134	14,554
Accounts receivable, less allowance for credit losses of $273 and $344	206,591	106,111
Contract assets	60,621	88,351
Inventories	63,865	50,415
Income taxes receivable	100	105
Prepaid expenses	5,419	4,679
Other current assets	6,380	3,814
Total Current Assets	621,985	369,983
Property, plant and equipment, net	97,625	98,628
Operating lease assets, net	1,436	2,179
Goodwill and intangible assets, net	1,003	1,003
Deferred income taxes	13,129	12,426
Other assets	17,064	9,161
Total Assets	752,242	493,380
Current Liabilities:
Accounts payable	56,666	63,423
Contract liabilities	279,796	79,857
Accrued compensation and benefits	29,947	24,785
Accrued product warranty	3,305	2,345
Current operating lease liabilities	773	1,777
Income taxes payable	6,517	1,720
Other current liabilities	18,682	12,466
Total Current Liabilities	395,686	186,373
Deferred compensation (Note J)	9,145	7,749
Long-term operating lease liabilities	663	545
Other long-term liabilities	1,722	1,507
Total Liabilities	407,216	196,174
Commitments and Contingencies (Note H)
Stockholders' Equity:
Preferred stock, par value $0.01; 5,000,000 shares authorized; none issued	0	0
Common stock, par value $0.01; 30,000,000 shares authorized; 12,668,001 and 12,588,011 shares issued, respectively	127	126
Additional paid-in capital	71,526	67,439
Retained earnings	325,281	283,638
Treasury stock, 806,018 shares at cost	(24,999)	(24,999)
Accumulated other comprehensive loss	(26,909)	(28,998)
Total Stockholders' Equity	345,026	297,206
Total Liabilities and Stockholders' Equity	$ 752,242	$ 493,380