INCOME TAXES (Detail) - Schedule of deferred tax assets and liabilities (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Deferred tax assets:
Bad debt reserves	$ 2,071	$ 2,436
Inventory reserves	12,589	10,042
Deferred compensation (Equity compensation and defined benefit plans)	42,773	44,083
Compensation benefits	2,706	0
Insurance reserve	3,924	4,697
Restructuring reserve	489	342
Warranty reserve	3,587	3,617
Interest carryforward	0	3,942
Net operating loss	25,708	33,451
Tax credits	5,622	15,451
Other reserves and accruals	651	5,572
	100,120	123,633
Valuation allowance	(10,541)	(9,481)
Total deferred tax assets	89,579	114,152
Deferred tax liabilities:
Deferred income	(14,051)	(14,728)
Compensation benefits	0	(1,042)
Goodwill and intangibles	(70,463)	(77,798)
Property, plant and equipment	(33,673)	(43,073)
Interest	(6,542)	(7,371)
Unremitted earnings	0	(13,258)
Other	(1,323)	(2,469)
Total deferred tax liabilities	(126,052)	(159,739)
Net deferred tax liabilities	$ (36,473)	$ (45,587)