Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Sep. 30, 2024
Current assets
Cash and cash equivalents of continuing operations	$ 253,642	$ 280,030
Short-term marketable securities	74,697	151,162
Accounts receivable, net of allowance for expected credit losses ($5,624 and $5,349, respectively)	149,490	156,273
Inventories	83,321	78,923
Short-term restricted cash	2,102	2,069
Prepaid expenses and other current assets	67,590	75,456
Current assets held for sale	79,754	88,894
Total current assets	710,596	832,807
Property, plant and equipment, net	151,716	155,622
Long-term marketable securities	176,781	49,454
Long-term deferred tax assets	731	837
Operating lease right-of-use assets	59,856	60,406
Goodwill	682,955	691,409
Intangibles assets, net	111,202	125,042
Other assets	7,125	10,670
Noncurrent assets held for sale	140,963	173,794
Total assets	2,041,925	2,100,041
Current liabilities
Accounts payable	39,155	33,344
Deferred revenue	41,608	30,493
Accrued warranty and retrofit costs	5,237	5,213
Accrued compensation and benefits	26,039	27,785
Accrued customer deposits	26,318	22,324
Accrued income taxes payable	10,321	9,266
Accrued expenses and other current liabilities	43,102	46,364
Current liabilities held for sale	28,933	30,050
Total current liabilities	220,713	204,839
Long-term tax reserves	417	398
Long-term deferred tax liabilities	22,458	18,084
Long-term operating lease liabilities	53,696	56,683
Other long-term liabilities	10,062	8,874
Noncurrent liabilities held for sale	33,087	42,196
Total liabilities	340,433	331,074
Stockholders' equity
Preferred stock, $0.01 par value - 1,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $0.01 par value - 125,000,000 shares authorized, 59,237,887 shares issued and 45,776,018 shares outstanding at March 31, 2025; 59,031,953 shares issued and 45,570,084 shares outstanding at September 30, 2024	593	590
Additional paid-in capital	520,961	505,958
Accumulated other comprehensive loss	(42,149)	(13,464)
Treasury stock, at cost - 13,461,869 shares at March 31, 2025 and September 30, 2024	(200,956)	(200,956)
Retained earnings	1,423,043	1,476,839
Total stockholders' equity	1,701,492	1,768,967
Total liabilities and stockholders' equity	$ 2,041,925	$ 2,100,041