CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Current assets:
Cash and cash equivalents	$ 56,232	$ 52,560
Accounts receivable, less allowance for doubtful accounts of $3,445 and $1,995 in 2021 and 2020, respectively	146,341	144,082
Contract assets, net	93,771	94,302
Inventories, net	147,148	135,296
Other current assets	22,662	17,053
Total current assets	466,154	443,293
Property, plant and equipment:
Land and land improvements	10,547	9,657
Buildings and leasehold improvements	109,279	98,636
Machinery and equipment	176,447	153,718
Construction in progress	5,543	8,393
Property, Plant and Equipment, Gross	301,816	270,404
Less accumulated depreciation and amortization	147,551	130,534
Net property, plant and equipment	154,265	139,870
Intangible assets, net	409,250	346,632
Goodwill	504,853	408,063
Operating lease assets	31,846	21,390
Other assets	10,977	10,938
Total Assets	1,577,345	1,370,186
Current liabilities:
Current maturities of long-term debt and short-term borrowings	20,000	22,368
Accounts payable	56,669	50,525
Contract liabilities, net	108,814	100,551
Accrued salaries	39,768	32,149
Accrued other expenses	52,513	49,891
Total current liabilities	277,764	255,484
Deferred tax liabilities	73,560	60,715
Non-current operating lease liabilities	28,032	16,785
Other liabilities	44,293	38,176
Long-term debt	134,000	40,000
Total liabilities	557,649	411,160
Shareholders' equity:
Preferred stock, par value $.01 per share, authorized 10,000,000 shares
Common stock, par value $.01 per share, authorized 50,000,000 shares; issued 30,666,173and 30,645,625 shares in 2021 and 2020, respectively	307	306
Additional paid-in capital	297,644	293,682
Retained earnings	830,989	775,829
Accumulated other comprehensive loss, net of tax	(2,161)	(3,657)
Total stockholders' equity before treasury stock	1,126,779	1,066,160
Less treasury stock, at cost (4,604,741 and 4,607,911 common shares in 2021 and 2020, respectively)	(107,083)	(107,134)
Total shareholders' equity	1,019,696	959,026
Total Liabilities and Shareholders' Equity	$ 1,577,345	$ 1,370,186