INCOME TAXES (Details) - Schedule of deferred tax assets and liabilities - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Deferred tax assets:
Bad debt reserves	$ 2,156	$ 2,083
Inventory reserves	9,158	7,482
Deferred compensation (equity compensation and defined benefit plans)	39,866	38,169
Compensation benefits	5,770	6,186
Insurance reserve	3,285	3,079
Restructuring reserve	431	122
Warranty reserve	2,352	2,288
Net operating loss	31,732	24,089
Tax credits	3,573	6,704
Other reserves and accruals	4,238	5,206
Deferred Tax Assets, Gross	102,561	95,408
Valuation allowance	(12,832)	(10,462)
Total deferred tax assets	89,729	84,946
Deferred tax liabilities:
Deferred income	(3,389)	(7,432)
Goodwill and intangibles	(72,907)	(72,645)
Property, plant and equipment	(46,391)	(35,382)
Interest	(496)	(2,053)
Other	(551)	(102)
Total deferred tax liabilities	(123,734)	(117,614)
Net deferred liability	$ (34,005)	$ (32,668)