CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net earnings	$ 38,388	$ 32,605
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation and amortization	27,555	24,910
Stock compensation expense	4,144	5,309
Changes in assets and liabilities	(47,869)	(67,140)
Effect of deferred taxes	(2,981)	(1,145)
Net cash provided (used) by operating activities	19,237	(5,461)
Cash flows from investing activities:
Acquisition of business, net of cash acquired	(56,179)	(17,901)
Additions to capitalized software and other	(5,912)	(5,918)
Capital expenditures	(16,301)	(10,305)
Net cash used by investing activities	(78,392)	(34,124)
Cash flows from financing activities:
Proceeds from long-term debt and short-term borrowings	154,000	68,000
Principal payments on long-term debt and short-term borrowings	(65,000)	(60,000)
Purchases of common stock into treasury	(7,189)	(12,217)
Dividends paid	(4,125)	(4,128)
Other	(1,432)	(2,374)
Net cash provided (used) by financing activities	76,254	(10,719)
Effect of exchange rate changes on cash and cash equivalents	471	801
Net increase (decrease) in cash and cash equivalents	17,570	(49,503)
Cash and cash equivalents, beginning of period	41,866	97,724
Cash and cash equivalents, end of period	59,436	48,221
Supplemental cash flow information:
Interest paid	5,097	3,384
Income taxes paid (including state and foreign)	$ 18,228	$ 13,346