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PENSION, PROFIT SHARING AND OTHER BENEFIT PLANS (Details 3) - Defined Benefit Pension Plans - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Changes in the fair value of plan assets categorized as Level 3    
Fair value of plan assets at the beginning of the year $ 206,982 $ 188,337
Realized and unrealized gains, net 2,815 21,127
Fair value of plan assets at the end of the year 201,502 206,982
Level 3    
Changes in the fair value of plan assets categorized as Level 3    
Fair value of plan assets at the beginning of the year 7,096 6,263
Realized and unrealized gains, net 1,142 898
Purchase, sales and settlements, net (72) (65)
Fair value of plan assets at the end of the year $ 8,166 $ 7,096