Description of Business	12 Months Ended
Jan. 01, 2012
Supplemental Balance Sheet Information [Abstract]
Description of Business	Note 1. Description of Business Teledyne Technologies Incorporated (“Teledyne” or the “Company”) became an independent, public company effective November 29, 1999. Teledyne provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include deepwater oil and gas exploration and production, oceanographic research, air and water quality environmental monitoring, factory automation and medical imaging. The products include monitoring instrumentation for marine and environmental applications, harsh environment interconnects, digital imaging sensors and cameras, aircraft information management systems, and defense electronic and satellite communication subsystems. Teledyne also supplies engineered systems for defense, space, environmental and nuclear applications. Teledyne differentiate itself from many of its direct competitors by having a customer and company sponsored applied research center that augments to product development expertise. Teledyne consists of the Instrumentation segment with principal operations in the United States and United Kingdom; the Digital Imaging segment with principal operations in the United States, Canada and the Netherlands; the Aerospace and Defense Electronics segment with principal operations in the United States, United Kingdom and Mexico; and the Engineered Systems segment with principal operations in the United States and United Kingdom. On April 19, 2011, Teledyne completed the sale of its general aviation piston engine businesses, which comprised the former Aerospace Engines and Components segment. Accordingly, our consolidated financial statements have been restated to classify the Aerospace Engines and Components segment as a discontinued operation.

Description of Business

12 Months Ended

Jan. 01, 2012

Supplemental Balance Sheet Information [Abstract]

Note 1. Description of Business

Teledyne Technologies Incorporated (“Teledyne” or the “Company”) became an independent, public company effective November 29, 1999. Teledyne provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include deepwater oil and gas exploration and production, oceanographic research, air and water quality environmental monitoring, factory automation and medical imaging. The products include monitoring instrumentation for marine and environmental applications, harsh environment interconnects, digital imaging sensors and cameras, aircraft information management systems, and defense electronic and satellite communication subsystems. Teledyne also supplies engineered systems for defense, space, environmental and nuclear applications. Teledyne differentiate itself from many of its direct competitors by having a customer and company sponsored applied research center that augments to product development expertise.

Teledyne consists of the Instrumentation segment with principal operations in the United States and United Kingdom; the Digital Imaging segment with principal operations in the United States, Canada and the Netherlands; the Aerospace and Defense Electronics segment with principal operations in the United States, United Kingdom and Mexico; and the Engineered Systems segment with principal operations in the United States and United Kingdom.

On April 19, 2011, Teledyne completed the sale of its general aviation piston engine businesses, which comprised the former Aerospace Engines and Components segment. Accordingly, our consolidated financial statements have been restated to classify the Aerospace Engines and Components segment as a discontinued operation.