SHARE BASED COMPENSATION PLANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Effect to income of share-based compensation expense, net of tax benefits [Abstract]
Total employee stock-based compensation expense recognized in income, net of tax effects of $3,907, $192, and $66, respectively	$ 6,486	$ 559	$ 334
Tax effects of employee's stock-based compensation expense recognized income	3,907	$ 192	$ 66
Stock based compensation expense not yet recognized in income	$ 16,900
Weighted average remaining period for unrecognized stock based compensation	4 years 30 days
Period that options are issued	10 years
Percentage of options vesting at either grant date or over four year period	100.00%
Period that options vest	4 years
Granted (in shares)	0	0	0
Fair value of share granted (in shares)	316,604	8,154
Award vesting	P8Y
Director [Member]
Effect to income of share-based compensation expense, net of tax benefits [Abstract]
Fair value of share granted (in shares)	500,000	200,000	100,000