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Note 15 - Subsequent Event	3 Months Ended
Note 15 - Subsequent Event	Mar. 30, 2013
Subsequent Events [Text Block]	15. Subsequent Event On April 15, 2013, the company announced it had signed a definitive agreement to acquire Hamlin, Inc. from Key Safety Systems for $145.0 million in a cash transaction. Hamlin is dedicated to providing sensor technology to the automotive industry as well as the electronics and industrial markets. The company expects to complete the transaction by the end of May 2013.