CONTINGENT LIABILITIES (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 29, 2012	Dec. 31, 2011	Dec. 31, 2010
Loss Contingencies [Line Items]
Number of lawsuits against the company	3
Damages From Product Defects [Member]
Loss Contingencies [Line Items]
Number of lawsuits against the company	2
Minimum limit of per claim for providing insurance coverage on annual basis	$ 5,000,000
Maximum limit of aggregate loss incurred annually for providing insurance coverage on annual basis	10,000,000
Total amount of damages claimed		$ 5,400,000	$ 0