PENSION, PROFIT SHARING AND OTHER BENEFIT PLANS (Details) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Deferred Compensation Plans
Minimum period in which members of management may elect to defer receiving payment for a portion of their compensation	5 years
Interest rate adjustment semi-annually (as a percent)	1.40%
Defined Contribution Plans
Minimum discretionary contribution with Board of Directors	0.5	0.5	0.5
Company contributions to defined contribution plan	$ 19,700,000	$ 18,600,000	$ 18,400,000
Equity securities
Weighted-average assumptions used to determine net periodic benefit cost at the end of the year
Target allocation percentage, minimum	40.00%
Target allocation percentage, maximum	75.00%
Real estate and cash
Weighted-average assumptions used to determine net periodic benefit cost at the end of the year
Target allocation percentage, minimum	0.00%
Target allocation percentage, maximum	10.00%
Debt securities
Weighted-average assumptions used to determine net periodic benefit cost at the end of the year
Target allocation percentage, minimum	25.00%
Target allocation percentage, maximum	60.00%
Defined Benefit Pension Plans
Defined Benefit Pension Plans
Number of European employees covered by contributory defined benefit pension plan for which benefits were frozen (as a percent)				50.00%
Expected contribution to defined benefit pension plans in next fiscal year	3,600,000
Unrecognized actuarial loss expected to be recognized in net pension cost over next fiscal year	800,000
Unrecognized actuarial loss expected to be recognized in net pension cost over next fiscal year, net of tax	600,000
Plan assets expected to be returned in 2013	0
Projected benefit obligation, ABO and fair value of plan assets for the defined benefit pension plans in which the ABO was in excess of the fair value of plan assets
Projected benefit obligation	209,118,000	215,706,000
Accumulated benefit obligation	202,916,000	209,135,000
Fair value of plan assets	188,327,000	169,323,000
Change in benefit obligations:
Net benefit obligation at the beginning of the year	215,706,000	185,485,000
Service cost	532,000	508,000	550,000
Interest cost	8,867,000	9,565,000	9,387,000
Actuarial loss (gain)	(5,726,000)	22,761,000
Plan amendments	(1,178,000)	57,000
Gross benefits paid	(8,576,000)	(5,928,000)
Foreign currency exchange rate changes	(507,000)	3,258,000
Net benefit obligation at the end of the year	209,118,000	215,706,000	185,485,000
Change in plan assets:
Fair value of plan assets at the beginning of the year	169,323,000	144,319,000
Actual return on plan assets	24,707,000	24,769,000
Employer contributions	3,915,000	4,354,000
Gross benefits paid	(8,576,000)	(5,928,000)
Administrative expenses	(843,000)	(657,000)
Foreign currency exchange rate changes	(189,000)	2,466,000
Fair value of plan assets at the end of the year	188,337,000	169,323,000	144,319,000
Unfunded status of the plans	(20,781,000)	(46,383,000)
Unrecognized net actuarial loss	31,657,000	52,911,000
Net amount recognized	10,876,000	6,528,000
Amounts recognized in Accumulated OCI
Liability adjustment to OCI	(31,657,000)	(52,911,000)
Deferred tax asset	9,292,000	17,440,000
Accumulated other comprehensive loss	(22,365,000)	(35,471,000)
Components of net periodic pension cost (benefit)
Service cost	532,000	508,000	550,000
Interest cost	8,867,000	9,565,000	9,387,000
Expected return on plan assets	(11,605,000)	(10,091,000)	(9,979,000)
Amortization of actuarial loss	1,798,000	1,593,000	985,000
Administrative expenses	76,000	82,000	85,000
Net pension cost (benefit)	$ (332,000)	$ 1,657,000	$ 1,028,000
Weighted-average assumptions used to determine benefit obligation at the end of the year
Discount rate (as a percent)	4.80%	4.30%	5.20%
Rate of compensation increase (as a percent)	4.40%	3.80%	4.30%
Weighted-average assumptions used to determine net periodic benefit cost at the end of the year
Discount rate (as a percent)	4.30%	5.20%	5.20%
Expected return on plan assets (as a percent)	7.00%	7.00%	7.00%
Rate of compensation increase (as a percent)	3.80%	4.30%	4.30%