CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 649,384	$ 591,749
Cost of goods and services	415,559	425,907
Gross profit	233,825	165,842
Selling, general and administrative expenses	152,720	127,352
Income from operations	81,105	38,490
Other income (expense)
Interest expense	(24,648)	(15,681)
Interest income	104	33
Gain on sale of building	10,852	0
Other, net	607	1,075
Total other expense, net	(13,085)	(14,573)
Income before taxes from continuing operations	68,020	23,917
Provision for income taxes	19,318	7,213
Income from continuing operations	48,702	16,704
Discontinued operations:
Income from operations of discontinued operations	0	3,320
Provision for income taxes	0	726
Income from discontinued operations	0	2,594
Net income	$ 48,702	$ 19,298
Basic earnings per common share:
Income from continuing operations (in dollars per share)	$ 0.93	$ 0.33
Income from discontinued operations (in dollars per share)	0	0.05
Basic earnings per common share (in dollars per share)	$ 0.93	$ 0.38
Basic weighted-average shares outstanding (in shares)	52,579	51,178
Diluted earnings per common share:
Income from continuing operations (in dollars per share)	$ 0.88	$ 0.31
Income from discontinued operations (in dollars per share)	0	0.05
Diluted earnings per common share (in dollars per share)	$ 0.88	$ 0.36
Diluted weighted-average shares outstanding (in shares)	55,298	53,753
Dividends paid per common share (in dollars per share)	$ 0.10	$ 0.09
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments	$ 11,937	$ (2,319)
Pension and other post retirement plans	862	668
Change in cash flow hedges	(580)	(1,100)
Total other comprehensive income (loss), net of taxes	12,219	(2,751)
Comprehensive income, net	$ 60,921	$ 16,547