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Retirement Benefit Plans - Net Plan Assets Recognized in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
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Reconciliation of funded status: |  |
Plans in which Benefit Obligations Exceed Assets at September 30, | $ (8,387) | $ (6,789)
Amounts recognized in accumulated other comprehensive loss: |  |
Net loss, Plans in which Benefit Obligations Exceed Assets | 10,926 | 10,003
Net amount recognized in the consolidated balance sheets, Plans in which Benefit Obligations Exceed Assets | 2,539 | 3,214
Amounts recognized in the consolidated balance sheets are: |  |
Plans in which Benefit Obligations Exceed Assets at September 30, | (8,387) | (6,789)
Accumulated other comprehensive loss pretax, Plans in which Benefit Obligations Exceed Assets | 10,926 | 10,003
Accrued liabilities |  |
Reconciliation of funded status: |  |
Plans in which Benefit Obligations Exceed Assets at September 30, | (46) | (46)
Amounts recognized in the consolidated balance sheets are: |  |
Plans in which Benefit Obligations Exceed Assets at September 30, | (46) | (46)
Pension liability |  |
Reconciliation of funded status: |  |
Plans in which Benefit Obligations Exceed Assets at September 30, | (8,341) | (6,743)
Amounts recognized in the consolidated balance sheets are: |  |
Plans in which Benefit Obligations Exceed Assets at September 30, | $ (8,341) | $ (6,743)

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- Definition If aggregate disclosures are presented, the aggregate benefit obligation for plans with benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2417-114920 + Details
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