Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY (Details)

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SHAREHOLDERS' EQUITY (Details) - USD ($)
$ / shares in Units, $ in Thousands
Nov. 30, 2015
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Accumulated other comprehensive loss [Abstract]        
Cumulative foreign currency translation   $ (104,604) $ (27,367)  
Fair value of derivatives, net of tax   (2,248) 201  
Minimum pension liability, net of tax   (43,474) (39,651)  
Total accumulated other comprehensive loss   (150,326) (66,817)  
Tax expense on fair value of derivatives   1,437 129  
Tax expense on minimum pension liability   27,530 25,058  
Tax expense (benefit) on minimum pension liability and fair value of derivatives   $ (1,035) $ (5,853) $ 22,005
Class A common stock [Member]        
Class of Stock [Line Items]        
Common stock, shares authorized (in shares)   70,000,000 70,000,000  
Common stock, par value (in dollars per share)   $ 1.00 $ 1.00  
Equity, Class of Treasury Stock [Line Items]        
Shares authorized to be repurchased (in shares)   2,500,000    
Shares remain available for repurchase (in shares)   661,022    
Class A common stock [Member] | Subsequent Event [Member]        
Equity, Class of Treasury Stock [Line Items]        
Shares authorized to be repurchased (in shares) 2,500,000