CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net earnings	$ 63,496	$ 99,411	$ 81,039
Adjustments to reconcile net earnings to net cash provided by operating activities:
Net earnings from discontinued operations, net of tax		(76,515)	(3,550)
Depreciation and amortization	42,049	41,338	35,995
Stock compensation expense	6,914	5,550	5,088
Changes in assets and liabilities	15,671	26,585	(6,649)
Gain on sale of building and land	(1,950)		(8,922)
Effect of deferred taxes on tax provision	(3,041)	(2,785)	61
Pension contributions		(25,650)	(2,500)
Pension plan termination charge		40,600
Net cash provided by operating activities - continuing operations	123,139	108,534	100,562
Net cash (used) provided by discontinued operations		(26,254)	4,575
Net cash provided by operating activities	123,139	82,280	105,137
Cash flows from investing activities:
Acquisition of business, net of cash acquired	(168,903)		(95,840)
Capital expenditures	(26,705)	(32,108)	(24,229)
Additions to capitalized software	(8,783)	(9,023)	(8,374)
Proceeds from sale of building and land	1,950		17,201
Net cash used by investing activities - continuing operations	(202,441)	(41,131)	(111,242)
Net cash provided (used) by investing activities - discontinued operations		182,084	(13,903)
Net cash (used) provided by investing activities	(202,441)	140,953	(125,145)
Cash flows from financing activities:
Proceeds from long-term debt	216,000	12,368	130,000
Principal payments on long-term debt	(124,368)	(235,000)	(65,000)
Dividends paid	(8,336)	(8,323)	(8,302)
Debt issuance costs			(1,071)
Other	(1,823)	(3,125)	(3,371)
Net cash provided (used) by financing activities - continuing operations	81,473	(234,080)	52,256
Net cash used by financing activities - discontinued operations		(2,140)	(2,472)
Net cash provided (used) by financing activities	81,473	(236,220)	49,784
Effect of exchange rate changes on cash and cash equivalents	1,501	3,739	1,555
Net increase (decrease) in cash and cash equivalents	3,672	(9,248)	31,331
Cash and cash equivalents at beginning of year	52,560	61,808	30,477
Cash and cash equivalents at end of year	56,232	52,560	61,808
Changes in assets and liabilities:
Accounts receivable, net	11,266	14,633	(8,722)
Contract assets	531	15,909	(57,177)
Inventories	612	(10,340)	7,109
Other assets and liabilities	(477)	(8,609)	7,708
Accounts payable	(688)	(13,275)	10,716
Contract liabilities	8,263	19,374	32,142
Accrued expenses	(3,836)	8,893	1,575
Changes in assets and liabilities	15,671	26,585	(6,649)
Supplemental cash flow information:
Interest paid	590	5,869	8,076
Income taxes paid (including state & foreign)	$ 26,054	$ 37,714	$ 26,084