CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Statement [Abstract]
Revenue	$ 649,088	$ 632,371
Cost of goods and services	382,323	368,095
Gross profit	266,765	264,276
Selling, general and administrative expenses	153,406	152,181
Income from operations	113,359	112,095
Other income (expense)
Interest expense	(22,104)	(24,887)
Interest income	357	406
Gain on sale of real estate	0	7,974
Loss from debt extinguishment	(556)	0
Other, net	(1,090)	1,832
Total other expense, net	(23,393)	(14,675)
Income before taxes	89,966	97,420
Provision for income taxes	25,579	26,569
Net income	$ 64,387	$ 70,851
Basic earnings per common share (in dollars per share)	$ 1.44	$ 1.56
Basic weighted-average shares outstanding (in shares)	44,655	45,538
Diluted earnings per common share (in dollars per share)	$ 1.41	$ 1.49
Diluted weighted-average shares outstanding (in shares)	45,765	47,541
Dividends paid per common share (in dollars per share)	$ 0.22	$ 0.18
Net income	$ 64,387	$ 70,851
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments	3,601	(20,018)
Pension and other post retirement plans	1,928	55
Change in cash flow hedges	(977)	2,264
Total other comprehensive income (loss), net of taxes	4,552	(17,699)
Comprehensive income, net	$ 68,939	$ 53,152