INCOME TAXES (Details) - Schedule of deferred tax assets and liabilities (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Deferred tax assets:
Bad debt reserves	$ 2,202	$ 2,071
Inventory reserves	9,295	12,589
Deferred compensation (equity compensation and defined benefit plans)	32,645	42,773
Compensation benefits	3,059	2,706
Insurance reserve	3,360	3,924
Restructuring reserve	699	489
Warranty reserve	3,320	3,587
Net operating loss	26,644	25,708
Tax credits	7,311	5,622
Other reserves and accruals	2,924	651
	91,459	100,120
Valuation allowance	(13,421)	(10,541)
Total deferred tax assets	78,038	89,579
Deferred tax liabilities:
Deferred income	(13,124)	(14,051)
Goodwill and intangibles	(70,216)	(70,463)
Property, plant and equipment	(36,469)	(33,673)
Interest	(5,154)	(6,542)
Other	(5,164)	(1,323)
Total deferred tax liabilities	(130,127)	(126,052)
Net deferred tax liabilities	$ (52,089)	$ (36,473)