ACQUISITIONS (Details) $ in Thousands			9 Months Ended	12 Months Ended
	Dec. 14, 2016 USD ($) shares	Nov. 01, 2016 USD ($) franchise shares	Jun. 30, 2017 USD ($)	Sep. 30, 2016 USD ($) Acquisition	Sep. 30, 2017 USD ($)	Sep. 30, 2015 USD ($)
Business Acquisition [Line Items]
Number of acquisitions | Acquisition				2
Fair value of consideration paid
Contingent consideration - equity				$ 0	$ 24,142	$ 0
Fair value of assets acquired
Goodwill resulting from acquisition				$ 36,928	$ 98,723	$ 36,928
Pre-tax transaction related expenses			$ 800
EPS Financial, LLC [Member]
Business Acquisition [Line Items]
Number of ERO's | franchise		10,000
Equity interest issued | shares		369,179
Fair value of consideration paid
Cash		$ 21,877
Stock issued		26,507
Total consideration paid		48,384
Fair value of assets acquired
Intangible assets		17,930
Other assets		79
Total assets		18,009
Fair value of net assets acquired		18,009
Goodwill resulting from acquisition		30,375
Pre-tax transaction related expenses		$ 500
Specialty Consumer Services [Member]
Business Acquisition [Line Items]
Equity interest issued | shares	113,328
Fair value of consideration paid
Cash	$ 7,548
Stock issued	10,789
Paid Consideration	18,337
Contingent consideration - cash	17,252
Contingent consideration - equity	24,142
Contingent consideration payable	41,394
Total consideration paid	59,731
Fair value of assets acquired
Intangible assets	28,310
Other assets	2
Total assets	28,312
Fair value of net assets acquired	28,312
Goodwill resulting from acquisition	$ 31,419
Contingent consideration, performance target earnout payments (in shares) | shares	264,431
Contingent consideration, performance target earnout payments, percent	100.00%
Contingent consideration, performance target earnout payments	$ 17,500