BUSINESS SEGMENTS - Depreciation, Amortization And Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
DEPRECIATION and AMORTIZATION	$ 15,825	$ 15,085
CAPITAL EXPENDITURES	13,172	8,397
Operating Segments
Segment Reporting Information [Line Items]
DEPRECIATION and AMORTIZATION	15,675	14,951
CAPITAL EXPENDITURES	12,960	8,379
Corporate
Segment Reporting Information [Line Items]
DEPRECIATION and AMORTIZATION	150	134
CAPITAL EXPENDITURES	212	18
Consumer and Professional Products | Operating Segments
Segment Reporting Information [Line Items]
DEPRECIATION and AMORTIZATION	8,231	7,806
CAPITAL EXPENDITURES	3,732	4,334
Home and Building Products | Operating Segments
Segment Reporting Information [Line Items]
DEPRECIATION and AMORTIZATION	4,800	4,509
CAPITAL EXPENDITURES	7,939	2,811
Defense Electronics | Operating Segments
Segment Reporting Information [Line Items]
DEPRECIATION and AMORTIZATION	2,644	2,636
CAPITAL EXPENDITURES	$ 1,289	$ 1,234