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Components of Net Deferred Taxes (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2013
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 5,490 | $ 6,760
Vacation accrual | 2,970 | 2,580
Pension accrual | 2,964 | 2,672
Allowance for bad debts | 3,661 | 3,158
Fair value of derivative instruments | 5,000 | 2,314
Insurance accrual | 22,823 | 21,073
Inventory capitalization | 865 | 941
Alternative minimum tax credit carryforward | 261 | 261
Other, net | 2,060 | 1,906
Total deferred tax assets | 46,094 | 41,665
Deferred tax liabilities: |  |
Property and equipment | 2,383 | 2,225
Inventory costing method | 256 |
Intangibles | 30,495 | 26,285
Total deferred tax liabilities | 33,134 | 28,510
Net deferred taxes | $ 12,960 | $ 13,155

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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