Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Earnings	Accumulated Other Comprehensive Loss
Balance at Sep. 30, 2023	$ 508,748	$ 1,063	$ 5,677	$ 624,772	$ (122,764)
Balance (in shares) at Sep. 30, 2023		106,266
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)	38,390			38,390
Other comprehensive income (loss)	10,808				10,808
Share-based compensation	5,118		5,118
Stock issued for equity awards	216	$ 7	209
Stock issued for equity awards (in shares)		722
Employee withholding taxes paid related to net share settlement	(1,740)	$ (2)	(1,738)
Employee withholding taxes paid related to net share settlement (in shares)		(192)
Repurchases and cancellations of common stock	(20,200)	$ (19)	(9,266)	(10,915)
Repurchases and cancellations of common stock (in shares)		(1,939)
Balance at Dec. 31, 2023	541,340	$ 1,049	0	652,247	(111,956)
Balance (in shares) at Dec. 31, 2023		104,857
Balance at Sep. 30, 2024	$ 628,535	$ 1,019	0	740,685	(113,169)
Balance (in shares) at Sep. 30, 2024	101,854	101,854
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)	$ 61,013			61,013
Other comprehensive income (loss)	(23,981)				(23,981)
Share-based compensation	6,053		6,053
Stock issued for equity awards	81	$ 12	69
Stock issued for equity awards (in shares)		1,162
Employee withholding taxes paid related to net share settlement	(5,264)	$ (4)	(5,260)
Employee withholding taxes paid related to net share settlement (in shares)		(392)
Repurchases and cancellations of common stock	(9,948)	$ (8)	$ (862)	(9,078)
Repurchases and cancellations of common stock (in shares)		(753)
Balance at Dec. 31, 2024	$ 656,489	$ 1,019		$ 792,620	$ (137,150)
Balance (in shares) at Dec. 31, 2024	101,871	101,871