CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Current assets:
Cash and cash equivalents	$ 48,221	$ 97,724
Accounts receivable, net of allowance for credit losses of $2,693 and $2,612, respectively	180,817	164,645
Contract assets	128,205	125,154
Inventories, net	185,753	162,403
Other current assets	27,144	22,696
Total current assets	570,140	572,622
Property, plant and equipment, net of accumulated depreciation of $166,699 and $165,322, respectively	154,020	155,973
Intangible assets, net of accumulated amortization of $189,819 and $175,928, respectively	401,717	394,464
Goodwill	505,194	492,709
Operating lease assets	41,418	29,150
Other assets	10,113	9,538
Total assets	1,682,602	1,654,456
Current liabilities:
Current maturities of long-term debt and short-term borrowings	20,000	20,000
Accounts payable	79,619	78,746
Contract liabilities	119,970	125,009
Accrued salaries	31,092	40,572
Accrued other expenses	46,374	53,802
Total current liabilities	297,055	318,129
Deferred tax liabilities	81,150	82,023
Non-current operating lease liabilities	37,657	24,853
Other liabilities	44,945	48,294
Long-term debt	141,000	133,000
Total liabilities	601,807	606,299
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 30,751,449 and 30,707,748 shares, respectively	308	307
Additional paid-in capital	304,184	301,553
Retained earnings	933,499	905,022
Accumulated other comprehensive loss, net of tax	(18,018)	(31,764)
Total stockholders' equity before treasury stock	1,219,973	1,175,118
Less treasury stock, at cost: 4,993,372 and 4,854,997 common shares, respectively	(139,178)	(126,961)
Total shareholders' equity	1,080,795	1,048,157
Total liabilities and shareholders' equity	$ 1,682,602	$ 1,654,456