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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 30, 2012
Subsequent Events [Abstract]
Subsequent Events	Subsequent Event On January 29, 2013 Teledyne announced the acquisition of RESON A/S for aggregate consideration of approximately 53 million euros, including net debt. RESON, headquartered in Slangerup, Denmark, provides high-resolution marine acoustic imaging and measurement solutions. The closing of the transaction, which is subject to customary conditions, is anticipated to occur in the first quarter of 2013. RESON will be part of the Instrumentation segment.