Subsequent Event	3 Months Ended
Apr. 01, 2012
Subsequent Events [Abstract]
Subsequent Events	Note 15. Subsequent Event In the second quarter of 2012, on April 2, 2012, Teledyne acquired a majority interest in the parent company of Optech Incorporated (“Optech”) for $32.7 million. The purchase increased Teledyne’s ownership percentage to 51 percent from 19 percent. We funded the purchase from cash on hand which was drawn from our credit facility prior to the end of the first quarter. Optech will be reported as part of the Digital Imaging segment.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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