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EMPLOYEE BENEFIT PLANS (Details) € in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2014 EUR (€) | Jan. 01, 2016
EMPLOYEE BENEFIT PLANS (Details) [Line Items] |  |  |  |  |
Defined contribution plan, employer discretionary contribution amount | $ 8,301,000 | $ 7,988,000 | $ 8,207,000 |  |
Postemployment benefits liability | $ 2,081,000 | 2,035,000 |  |  |
Change in discount rate | 10.00% |  |  |  |
Tax benefit for amortization of pension cost | $ 831,000 | 764,000 | 677,000 |  |
Defined benefit plan, actuarial gain (loss) | 3,320,000 |  |  |  |
Service cost | $ 23,000 |  |  |  |
Adjusted funding target attainment percent |  |  |  |  | 99.60%
Adjusted funding target attainment percent, threshold |  |  |  |  | 80.00%
Defined benefit plan, target plan asset allocations | 100.00% |  |  |  |
Defined benefit plans, estimated future employer contributions in next fiscal year | $ 0 |  |  |  |
Completion period of service | 1 year |  |  |  |
Maximum compensation of proportion | $ 265,000 |  |  |  |
Employee stock ownership plan (ESOP), compensation expense | 3,689,000 | 3,400,000 | 2,447,000 |  |
Employee stock ownership plan (ESOP), deferred shares, fair value | 47,370,000 | 47,907,000 |  |  |
Other Postretirement Benefit Plan [Member] |  |  |  |  |
EMPLOYEE BENEFIT PLANS (Details) [Line Items] |  |  |  |  |
Accumulated other comprehensive income (loss), pension and other postretirement benefit plans, net of tax | (140,000) | (97,000) |  |  |
Pension and other postretirement benefit expense | 57,000 | 58,000 |  |  |
Supplemental Employee Retirement Plan [Member] |  |  |  |  |
EMPLOYEE BENEFIT PLANS (Details) [Line Items] |  |  |  |  |
Accumulated other comprehensive income (loss), pension and other postretirement benefit plans, net of tax | (13,813,000) | (13,787,000) |  |  |
Company contributions | 4,060,000 | 4,082,000 | 1,776,000 | € 1,300 |
Recognition of settlement |  |  | 0 |  |
Defined benefit plan, actuarial gain (loss) | (1,286,000) | (1,878,000) |  |  |
Service cost | 0 | $ 0 | $ 0 |  |
Defined benefit plan, expected future benefit payments, next twelve months | $ 4,060,000 |  |  |  |

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- Definition Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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