Components of Net Deferred Taxes (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Deferred tax assets:
Operating lease liabilities	$ 26,534	$ 27,473
Net operating loss carryforwards	2,516	5,178
Vacation accrual	2,785	2,775
Pension accrual	3,507	3,696
Allowance for bad debts	1,687	2,285
Insurance accrual	1,628	1,870
Inventory capitalization	0	955
Fair value of derivative instruments	4,261	0
Other, net	350	198
Total deferred tax assets	43,268	44,430
Valuation allowance	(2,109)	(4,437)
Net deferred tax assets	41,159	39,993
Deferred tax liabilities:
Operating lease right-of-use assets	25,257	26,025
Property and equipment	14,502	14,937
Intangibles	20,152	19,897
Fair value of derivative instruments	0	1,270
Other, net	3,170	3,635
Total deferred tax liabilities	63,081	65,764
Net deferred taxes	$ (21,922)	$ (25,771)

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Deferred tax assets operating lease liabilities.

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