CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	COMMON STOCK	CAPITAL IN EXCESS OF PAR VALUE	RETAINED EARNINGS	TREASURY SHARES	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	DEFERRED COMPENSATION
Beginning balance (in shares) at Sep. 30, 2024		84,746,000
Beginning balance at Sep. 30, 2024	$ 224,888	$ 21,187	$ 677,028	$ 461,442	$ (876,527)	$ (58,024)	$ (218)
Beginning balance (in shares) at Sep. 30, 2024					36,443,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	70,851			70,851
Dividend	(8,196)			(8,196)
Shares withheld on employee taxes on vested equity awards (in shares)					64,000
Shares withheld on employee taxes on vested equity awards	(5,342)				$ (5,342)
Amortization of deferred compensation	218						218
Common stock acquired including excise taxes (in shares)					610,000
Common stock acquired including excise taxes	(42,963)				$ (42,963)
Equity awards granted, net (in shares)					(493,000)
Equity awards granted, net	0		(12,136)		$ 12,136
ESOP allocation of common stock	641		537		104
Stock-based compensation	5,378		5,378
Other comprehensive income, net of tax	$ (17,699)					(17,699)
Ending balance (in shares) at Dec. 31, 2024	48,122,000	84,746,000
Ending balance at Dec. 31, 2024	$ 227,776	$ 21,187	670,807	524,097	$ (912,592)	(75,723)	0
Ending balance (in shares) at Dec. 31, 2024					36,624,000
Beginning balance (in shares) at Sep. 30, 2025		84,746,000
Beginning balance at Sep. 30, 2025	73,972	$ 21,187	690,153	479,048	$ (1,044,496)	(71,920)	0
Beginning balance (in shares) at Sep. 30, 2025					38,400,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	64,387			64,387
Dividend	$ (10,089)			(10,089)
Shares withheld on employee taxes on vested equity awards (in shares)	159,856				160,000
Shares withheld on employee taxes on vested equity awards	$ (11,846)				$ (11,846)
Common stock acquired including excise taxes (in shares)					247,000
Common stock acquired including excise taxes	(18,500)				$ (18,500)
Equity awards granted, net (in shares)					(634,000)
Equity awards granted, net	0		(17,345)		$ 17,345
Stock-based compensation	6,427		6,427
Other comprehensive income, net of tax	$ 4,552					4,552
Ending balance (in shares) at Dec. 31, 2025	46,574,000	84,746,000
Ending balance at Dec. 31, 2025	$ 108,903	$ 21,187	$ 679,235	$ 533,346	$ (1,057,497)	$ (67,368)	$ 0
Ending balance (in shares) at Dec. 31, 2025					38,173,000