EMPLOYEE BENEFIT PLANS (Details)	12 Months Ended			0 Months Ended	12 Months Ended
	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Jan. 01, 2014 Adjusted Funding Target Attainment Percent [Member]	Sep. 30, 2014 Adjusted Funding Target Attainment Percent [Member]	Sep. 30, 2014 Employee Benefit Plans [Member] USD ($)	Sep. 30, 2013 Employee Benefit Plans [Member] USD ($)	Sep. 30, 2014 Supplemental Employee Retirement Plan, Defined Benefit [Member] USD ($)	Sep. 30, 2014 Supplemental Employee Retirement Plan, Defined Benefit [Member] EUR (€)
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Defined contribution plan, employer discretionary contribution amount	$ 8,207,000	$ 6,950,000	$ 7,300,000
Postemployment benefits liability	1,990,000	1,972,000
Accumulated other comprehensive income (loss), pension and other postretirement benefit plans, net of tax						(38,000)	161,000
Pension and other postretirement benefit expense						59,000	65,000
Company contributions								1,776,000	1,300,000
Recognition of settlement	0	2,142,000	0					0
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	677,000	1,086,000	1,067,000
Defined benefit plan, actuarial gain (loss)	2,165,000
Service cost	17,000
Defined benefit plan, expected future benefit payments, next twelve months	3,784,000							4,058,000
Defined benefit plan, target plan asset allocations	100.00%			96.70%	80.00%
Defined benefit plans, estimated future employer contributions in next fiscal year	4,228,000
Completion period of service	1 year
Maximum compensation of proportion	260,000
Employee stock ownership plan (ESOP), compensation expense	2,447,000	2,015,000	1,796,000
Employee stock ownership plan (ESOP), deferred shares, fair value	$ 37,372,000	$ 24,257,000