INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Provision (benefit) from income taxes	$ 3,194	$ 1,237	$ 8,406	$ (23,667)
Income (loss) before taxes from continuing operations	9,684	3,188	23,649	1,115
Other tax provisions	$ (97)	368	$ 370
Acquisition related costs		814		3,999
Acquisition related costs net of tax		$ 378		$ 2,726
Effective tax rate	34.00%	32.60%	34.00%	33.90%
Net tax benefits				$ 22,650
Life insurance amounts				2,614
Life insurance related costs, net of tax				$ 248

Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition-related Costs, Amount

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible life insurance expense.

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