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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Jun. 30, 2018
Equity [Abstract] |
Components of Accumulated Other Comprehensive Loss | The components of accumulated other comprehensive loss are as follows:
| June 30, 2018 |  | September 30, 2017
Foreign currency translation adjustment | $ | (4,825 | ) |  | $ | (4,607 | )
Retirement plan liability adjustment, net of tax | (4,164 | ) |  | (4,648 | )
Interest rate swap agreement adjustment, net of tax | 24 |  |  | 4 |
Total accumulated other comprehensive loss | $ | (8,965 | ) |  | $ | (9,251 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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