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EMPLOYEE BENEFIT PLANS (Details) € in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2015 | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2014 EUR (€) | Sep. 30, 2013 USD ($)
EMPLOYEE BENEFIT PLANS (Details) [Line Items] |  |  |  |  |
Defined contribution plan, employer discretionary contribution amount |  | $ 7,988,000 | $ 8,207,000 |  | $ 6,950,000
Postemployment benefits liability |  | 2,035,000 | 1,990,000 |  |
Recognition of settlement |  | $ 0 | 0 |  | 2,142,000
Defined benefit plan reduction in pension liability due to buyouts |  |  |  |  | 3,472,000
Defined benefit plan increase in accumulated other comprehensive income loss due to buyouts |  |  |  |  | 3,649,000
Change in discount rate |  | 10.00% |  |  |
Tax benefit for amortization of pension cost |  | $ 764,000 | 677,000 |  | 1,086,000
Defined benefit plan, actuarial gain (loss) |  | 2,746,000 |  |  |
Service cost |  | $ 20,000 |  |  |
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 |  | 3,400,000 | 2,447,000 |  | $ 2,015,000
Employee stock ownership plan (ESOP), deferred shares, fair value |  | $ 47,907,000 | 37,372,000 |  |
Adjusted Funding Target Attainment Percent [Member] |  |  |  |  |
EMPLOYEE BENEFIT PLANS (Details) [Line Items] |  |  |  |  |
Defined benefit plan, target plan asset allocations | 102.30% | 80.00% |  |  |
Employee Benefit Plans [Member] |  |  |  |  |
EMPLOYEE BENEFIT PLANS (Details) [Line Items] |  |  |  |  |
Accumulated other comprehensive income (loss), pension and other postretirement benefit plans, net of tax |  | $ (97,000) | (38,000) |  |
Pension and other postretirement benefit expense |  | 58,000 | 59,000 |  |
Supplemental Employee Retirement Plan, Defined Benefit [Member] |  |  |  |  |
EMPLOYEE BENEFIT PLANS (Details) [Line Items] |  |  |  |  |
Company contributions |  | 1,776,000 |  | € 1,300 |
Recognition of settlement |  |  | $ 0 |  |
Defined benefit plan, expected future benefit payments, next twelve months |  | $ 4,056,000 |  |  |

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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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