WARRANTY LIABILITY (Details)	12 Months Ended
	Sep. 30, 2020
Defense Electronics | Minimum
Product Warranty Liability [Line Items]
Product warranty period	1 year
Defense Electronics | Maximum
Product Warranty Liability [Line Items]
Product warranty period	2 years
Home and Building Products (HBP) | Minimum
Product Warranty Liability [Line Items]
Product warranty period	1 year
Home and Building Products (HBP) | Maximum
Product Warranty Liability [Line Items]
Product warranty period	10 years
Consumer and Professional Products
Product Warranty Liability [Line Items]
Product warranty period	90 days
Consumer and Professional Products | Minimum
Product Warranty Liability [Line Items]
Product warranty period	1 year
Consumer and Professional Products | Maximum
Product Warranty Liability [Line Items]
Product warranty period	10 years