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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of Components of Accumulated Other Comprehensive Loss | The components of accumulated other comprehensive loss are as follows:
| December 31, 2020 |  | September 30, 2020
Foreign currency translation adjustment | $ | (4,970) |  |  | $ | (5,257) |
Retirement plan liability adjustment, net of tax | (8,000) |  |  | (8,211) |
Total accumulated other comprehensive loss | $ | (12,970) |  |  | $ | (13,468) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: 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=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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