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Income Tax Expense (Tax Effects Of Temporary Differences That Give Rise To Significant Portions Of The Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
--- | --- | ---
Deferred tax assets: |  |
Inventories | $ 7,553 | $ 6,336
Pension and other postretirement benefits | 13,978 | 11,663
Net operating loss carryforward — domestic | 372 | 520
Net operating loss carryforward — foreign | 4,991 | 4,135
Other compensation-related costs and other cost accruals | 13,678 | 11,785
State credit carryforward | 1,944 | 1,704
Total deferred tax assets | 42,516 | 36,143
Deferred tax liabilities: |  |
Goodwill | (15,528) | (14,829)
Acquisition assets | (69,934) | (57,415)
Depreciation, software amortization | (20,285) | (18,681)
Net deferred tax liabilities before valuation allowance | (63,231) | (54,782)
Less valuation allowance | (5,711) | (4,129)
Net deferred tax liabilities | $ (68,942) | $ (58,911)

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