CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Sep. 30, 2024		54,553
Beginning balance at Sep. 30, 2024	$ 804,571	$ 546	$ 348,366	$ 507,206	$ (51,547)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation	2,597		2,597
Release of restricted stock, net of shares withheld for taxes (in shares)		718
Release of restricted stock, net of shares withheld for taxes	0	$ 7	(7)
Taxes paid related to net share settlement of equity awards	(3,971)		(3,971)
Foreign currency translation gain (loss)	(7,319)				(7,319)
Purchase and retirement of treasury stock (in shares)		(250)
Purchase and retirement of treasury stock	(3,000)	$ (3)	(1,202)	(1,795)
Net income	31,016			31,016
Ending balance (in shares) at Dec. 31, 2024		55,021
Ending balance at Dec. 31, 2024	823,894	$ 550	345,783	536,427	(58,866)
Beginning balance (in shares) at Sep. 30, 2025		60,892
Beginning balance at Sep. 30, 2025	1,025,485	$ 609	450,892	612,687	(38,703)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation	3,397		3,397
Release of restricted stock, net of shares withheld for taxes (in shares)		803
Release of restricted stock, net of shares withheld for taxes	0	$ 8	(8)
Taxes paid related to net share settlement of equity awards	(6,346)		(6,346)
Foreign currency translation gain (loss)	3,859				3,859
Net income	44,304			44,304
Ending balance (in shares) at Dec. 31, 2025		61,695
Ending balance at Dec. 31, 2025	$ 1,070,699	$ 617	$ 447,935	$ 656,991	$ (34,844)