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Pension and Retirement Plans (Tables) | 12 Months Ended
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Sep. 30, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Net Benefit Costs | The components of net periodic benefit costs related to the U.S. and international plans are as follows:
| Years Ended September 30
| 2018 |  | 2017
| Foreign |  | U.S. |  | Total |  | Foreign |  | U.S. |  | Total
| (amounts in thousands)
Pension: |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest cost | 370 |  |  | 25 |  |  | 395 |  |  | 321 |  |  | 29 |  |  | 350 |
Expected return on plan assets | (312 | ) |  | — |  |  | (312 | ) |  | (268 | ) |  | — |  |  | (268 | )
Amortization of net (gain)/loss | 170 |  |  | (1 | ) |  | 169 |  |  | 205 |  |  | 4 |  |  | 209 |
Net periodic benefit cost | $ | 228 |  |  | $ | 24 |  |  | $ | 252 |  |  | $ | 258 |  |  | $ | 33 |  |  | $ | 291 |
Post Retirement: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | — |  |  | $ | 40 |  |  | $ | 40 |  |  | $ | — |  |  | $ | 38 |  |  | $ | 38 |
Interest cost | — |  |  | 47 |  |  | 47 |  |  | — |  |  | 44 |  |  | 44 |
Amortization of net (gain)/loss | — |  |  | (18 | ) |  | (18 | ) |  | — |  |  | 15 |  |  | 15 |
Net periodic benefit cost | $ | — |  |  | $ | 69 |  |  | $ | 69 |  |  | $ | — |  |  | $ | 97 |  |  | $ | 97 |
Pension: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in minimum liability included in other comprehensive income (loss) | $ | (462 | ) |  | $ | (7 | ) |  | $ | (469 | ) |  | $ | (1,139 | ) |  | $ | (14 | ) |  | $ | (1,153 | )
Post Retirement: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in minimum liability included in other comprehensive income (loss) | — |  |  | (6 | ) |  | (6 | ) |  | — |  |  | (99 | ) |  | (99 | )
Total: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in minimum liability included in comprehensive income (loss) | $ | (462 | ) |  | $ | (13 | ) |  | $ | (475 | ) |  | $ | (1,139 | ) |  | $ | (113 | ) |  | $ | (1,252 | )
Schedule of Changes in Projected Benefit Obligations | The following table presents an analysis of the changes in 2018 and 2017 of the benefit obligation, the plan assets and the funded status of the plans:
| Years Ended September 30
| 2018 |  | 2017
| Foreign |  | U.S. |  | Total |  | Foreign |  | U.S. |  | Total
| (Amounts in thousands)
Pension: |  |  |  |  |  |  |  |  |  |  |
Change in projected benefit obligation (“PBO”) |  |  |  |  |  |  |  |  |  |  |
Balance beginning of year | $ | 13,285 |  |  | $ | 677 |  |  | $ | 13,962 |  |  | $ | 13,766 |  |  | $ | 829 |  |  | $ | 14,595 |
Service cost | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Interest cost | 370 |  |  | 25 |  |  | 395 |  |  | 321 |  |  | 29 |  |  | 350 |
Changes in actuarial assumptions | (165 | ) |  | (7 | ) |  | (172 | ) |  | (986 | ) |  | (9 | ) |  | (995 | )
Foreign exchange impact | (364 | ) |  | — |  |  | (364 | ) |  | 400 |  |  | — |  |  | 400 |
Benefits paid | (252 | ) |  | (110 | ) |  | (362 | ) |  | (216 | ) |  | (172 | ) |  | (388 | )
Projected benefit obligation at end of year | $ | 12,874 |  |  | $ | 585 |  |  | $ | 13,459 |  |  | $ | 13,285 |  |  | $ | 677 |  |  | $ | 13,962 |
Changes in fair value of plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | $ | 8,239 |  |  | $ | — |  |  | $ | 8,239 |  |  | $ | 7,629 |  |  | $ | — |  |  | $ | 7,629 |
Actual gain on plan assets | 291 |  |  | — |  |  | 291 |  |  | 368 |  |  | — |  |  | 368 |
Company contributions | 227 |  |  | 110 |  |  | 337 |  |  | 190 |  |  | 172 |  |  | 362 |
Foreign exchange impact | (235 | ) |  | — |  |  | (235 | ) |  | 268 |  |  | — |  |  | 268 |
Benefits paid | (252 | ) |  | (110 | ) |  | (362 | ) |  | (216 | ) |  | (172 | ) |  | (388 | )
Fair value of plan assets at end of year | $ | 8,270 |  |  | $ | — |  |  | $ | 8,270 |  |  | $ | 8,239 |  |  | — |  |  | $ | 8,239 |
Funded status \ net amount recognized | $ | (4,604 | ) |  | $ | (585 | ) |  | $ | (5,189 | ) |  | $ | (5,046 | ) |  | $ | (677 | ) |  | $ | (5,723 | )
Post Retirement: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in projected benefit obligation (“PBO”): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance beginning of year | $ | — |  |  | $ | 1,255 |  |  | $ | 1,255 |  |  | $ | — |  |  | $ | 1,257 |  |  | $ | 1,257 |
Service cost | — |  |  | 40 |  |  | 40 |  |  | — |  |  | 38 |  |  | 38 |
Interest cost | — |  |  | 47 |  |  | 47 |  |  | — |  |  | 44 |  |  | 44 |
Changes in actuarial assumptions | — |  |  | (24 | ) |  | (24 | ) |  | — |  |  | (84 | ) |  | (84 | )
Projected benefit obligation at end of year | $ | — |  |  | $ | 1,318 |  |  | $ | 1,318 |  |  | $ | — |  |  | $ | 1,255 |  |  | $ | 1,255 |
Funded status \ net amount recognized | $ | — |  |  | $ | (1,318 | ) |  | $ | (1,318 | ) |  | $ | — |  |  | $ | (1,255 | ) |  | $ | (1,255 | )
Schedule of Amounts Recognized in Balance Sheet | The amounts recognized in the consolidated balance sheet consist of:
| Years Ended September 30
| 2018 |  | 2017
| Foreign |  | U.S. |  | Total |  | Foreign |  | U.S. |  | Total
| (Amounts in thousands)
Pension: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued benefit liability | $ | (4,603 | ) |  | $ | (585 | ) |  | $ | (5,188 | ) |  | $ | (5,046 | ) |  | $ | (677 | ) |  | $ | (5,723 | )
Deferred tax | (1 | ) |  | 22 |  |  | 21 |  |  | — |  |  | 19 |  |  | 19 |
Accumulated other comprehensive income | 5,251 |  |  | 13 |  |  | 5,264 |  |  | 5,713 |  |  | 18 |  |  | 5,731 |
Net amount recognized | $ | 647 |  |  | $ | (550 | ) |  | $ | 97 |  |  | $ | 667 |  |  | $ | (640 | ) |  | $ | 27 |
Post Retirement: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued benefit liability | $ | — |  |  | $ | (1,320 | ) |  | $ | (1,320 | ) |  | $ | — |  |  | $ | (1,255 | ) |  | $ | (1,255 | )
Deferred tax | — |  |  | 93 |  |  | 93 |  |  | — |  |  | 91 |  |  | 91 |
Accumulated other comprehensive income (loss) | — |  |  | 34 |  |  | 34 |  |  | — |  |  | 38 |  |  | 38 |
Net amount recognized | $ | — |  |  | $ | (1,193 | ) |  | $ | (1,193 | ) |  | $ | — |  |  | $ | (1,126 | ) |  | $ | (1,126 | )
Total pension and post retirement: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued benefit liability | $ | (4,603 | ) |  | $ | (1,905 | ) |  | $ | (6,508 | ) |  | $ | (5,046 | ) |  | $ | (1,932 | ) |  | $ | (6,978 | )
Deferred tax | (1 | ) |  | 115 |  |  | 114 |  |  | — |  |  | 110 |  |  | 110 |
Accumulated other comprehensive income | 5,251 |  |  | 47 |  |  | 5,298 |  |  | 5,713 |  |  | 56 |  |  | 5,769 |
Net amount recognized | $ | 647 |  |  | $ | (1,743 | ) |  | $ | (1,096 | ) |  | $ | 667 |  |  | $ | (1,766 | ) |  | $ | (1,099 | )
Accumulated Benefit Obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension | $ | (12,874 | ) |  | $ | (585 | ) |  | $ | (13,459 | ) |  | $ | (13,285 | ) |  | $ | (677 | ) |  | $ | (13,962 | )
Post Retirement | — |  |  | (1,320 | ) |  | (1,320 | ) |  | — |  |  | (1,255 | ) |  | (1,255 | )
Total accumulated benefit obligation | $ | (12,874 | ) |  | $ | (1,905 | ) |  | $ | (14,779 | ) |  | $ | (13,285 | ) |  | $ | (1,932 | ) |  | $ | (15,217 | )
Schedule of Accrued Liabilities | Accrued benefit liability reported as:
| September 30,
| 2018 |  | 2017
| (Amounts in thousands)
Current accrued benefit liability | $ | 340 |  |  | $ | 325 |
Non-current accrued benefit liability | 6,168 |  |  | 6,653 |
Total accrued benefit liability | $ | 6,508 |  |  | $ | 6,978 |
Schedule of Expected Benefit Payments | The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (amounts in thousands):
Fiscal year ending September 30: |  | (Amounts in thousands)
2019 |  | $ | 445 |
2020 |  | 457 |
2021 |  | 475 |
2022 |  | 505 |
2023 |  | 521 |
Thereafter |  | 3,311 |
Schedule of Allocation of Plan Assets | The fair value of the assets held by the U.K. pension plan by asset category are as follows:
| Fair Values as of
| September 30, 2018 |  | September 30, 2017
| Fair Value Measurements Using Inputs Considered as |  | Fair Value Measurements Using Inputs Considered as
Asset Category | Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Total |  | Level 1 |  | Level 2 |  | Level 3
| (Thousands)
Cash on deposit | $ | 36 |  |  | $ | 36 |  |  | $ | — |  |  | $ | — |  |  | $ | 62 |  |  | $ | 62 |  |  | $ | — |  |  | $ | — |
Pooled funds | 8,234 |  |  | 8,234 |  |  | — |  |  | — |  |  | 8,177 |  |  | 8,177 |  |  | — |  |  | — |
Total plan assets | $ | 8,270 |  |  | $ | 8,270 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,239 |  |  | $ | 8,239 |  |  | $ | — |  |  | $ | — |
Projected Benefit Obligations |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Assumptions Used | The following table provides the weighted average actuarial assumptions used to determine the actuarial present value of projected benefit obligations at:
| Domestic |  | International
| September 30, |  | September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Discount rate: | 4.00 | % |  | 3.75 | % |  | 2.90 | % |  | 2.80 | %
Expected return on plan assets: |  |  |  |  | 3.80 | % |  | 3.70 | %
Rate of compensation increase: |  |  |  |  | — | % |  | — | %
Net Periodic Benefit Cost |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Assumptions Used | The following table provides the weighted average actuarial assumptions used to determine net periodic benefit cost for years ended:
| Domestic |  | International
| September 30, |  | September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Discount rate: | 3.75 | % |  | 3.50 | % |  | 2.80 | % |  | 2.40 | %
Expected return on plan assets: |  |  |  |  | 3.70 | % |  | 3.60 | %
Rate of compensation increase: |  |  |  |  | — | % |  | — | %

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