PENSION, PROFIT SHARING AND OTHER BENEFIT PLANS (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Cash and cash equivalents
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	$ 1,754	$ 2,270
Cash and cash equivalents | Level 1
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	766	1,863
Cash and cash equivalents | Level 2
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	988	407
Equity securities | United States
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	38,912	43,351
Equity securities | United States | Level 2
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	38,912	43,351
Equity securities | Other foreign countries
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	45,120	47,110
Equity securities | Other foreign countries | Level 2
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	45,120	47,110
Fixed-income funds | United States
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	49,744	49,479
Fixed-income funds | United States | Level 2
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	49,744	49,479
Fixed-income funds | United Kingdom
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	24,707	25,813
Fixed-income funds | United Kingdom | Level 2
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	24,707	25,813
Diversified growth fund
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	33,099	31,863
Diversified growth fund | Level 2
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	33,099	31,863
Real Estate
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	8,166	7,096
Real Estate | Level 3
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	8,166	7,096
Defined Benefit Pension Plans
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	201,502	206,982	$ 188,337
Defined Benefit Pension Plans | Level 1
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	766	1,863
Defined Benefit Pension Plans | Level 2
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	192,570	198,023
Defined Benefit Pension Plans | Level 3
Fair value of assets of defined benefit pension plans by asset category
Fair value of the assets	$ 8,166	$ 7,096	$ 6,263