Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Details)

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FAIR VALUE MEASUREMENTS (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Sep. 30, 2016
Assets:    
Equity and fixed income mutual funds $ 21,649 $ 19,790
Other investments 16,018 11,575
Recurring    
Assets:    
Derivatives 3,990 193
Equity and fixed income mutual funds 21,649 19,790
Other investments 5,810 5,127
Total assets at fair value 31,449 25,110
Liabilities:    
Derivatives 31 6,027
Total liabilities at fair value 31 6,027
Recurring | Level 1    
Assets:    
Derivatives 0 0
Equity and fixed income mutual funds 0 0
Other investments 0 0
Total assets at fair value 0 0
Liabilities:    
Derivatives 0 0
Total liabilities at fair value 0 0
Recurring | Level 2    
Assets:    
Derivatives 3,990 193
Equity and fixed income mutual funds 21,649 19,790
Other investments 5,810 5,127
Total assets at fair value 31,449 25,110
Liabilities:    
Derivatives 31 6,027
Total liabilities at fair value 31 6,027
Recurring | Level 3    
Assets:    
Derivatives 0 0
Equity and fixed income mutual funds 0 0
Other investments 0 0
Total assets at fair value 0 0
Liabilities:    
Derivatives 0 0
Total liabilities at fair value $ 0 $ 0