GOODWILL AND OTHER INTANGIBLES (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 2,418	$ 2,256
Estimated amortization expense, remainder of 2019	6,900
Estimated amortization expense, fiscal 2020	8,825
Estimated amortization expense, fiscal 2021	8,825
Estimated amortization expense, fiscal 2022	8,825
Estimated amortization expense, fiscal 2023	8,746
Estimated amortization expense, fiscal 2024	8,700
Estimated amortization expense, thereafter	$ 94,388