Employee Benefits Plans - Schedule of MSP Benefit Expense Charged to Costs and Expenses (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
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Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2013 |
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| Compensation and Retirement Disclosure [Abstract] | |||
| Service cost | $ 195 | $ 195 | $ 221 |
| Interest cost | 197 | (23) | 368 |
| Recognized actuarial loss adjustment | 231 | 0 | 0 |
| Total | $ 623 | $ 172 | $ 589 |
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- References No definition available.
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- Definition Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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