BUSINESS SEGMENTS (Detail)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Home And Building Products [Member]
Sales Revenue, Goods, Net, Percentage	12.00%	12.00%
Plastics [Member]
Sales Revenue, Goods, Net, Percentage	13.00%	14.00%	18.00%
Telephonics [Member]
Sales Revenue, Goods, Net, Percentage	19.00%	19.00%	24.00%