Note 5 - Impairment of Investment in Unconsolidated Affiliate	3 Months Ended
Mar. 29, 2014
Disclosure Text Block Supplement [Abstract]
Asset Impairment Charges [Text Block]	5. Impairment of Investment in Unconsolidated Affiliate During the first quarter of 2013, the company fully impaired its investment in and loan receivable from Shocking Technologies, Inc. due to the their filing for Chapter 7 bankruptcy on March 12, 2013. The impairment charge of approximately $10.7 million consisted of the remaining equity method investment of $8.7 million and a $2.0 million loan receivable, and reduces the carrying value of both the investment and loan receivable to zero at March 30, 2013. The loss was recorded as a component of impairment and equity loss of unconsolidated affiliate in the Consolidated Statements of Net Income for the three months ended March 30, 2013.

Note 5 - Impairment of Investment in Unconsolidated Affiliate

3 Months Ended

Mar. 29, 2014

Disclosure Text Block Supplement [Abstract]

5. Impairment of Investment in Unconsolidated Affiliate

During the first quarter of 2013, the company fully impaired its investment in and loan receivable from Shocking Technologies, Inc. due to the their filing for Chapter 7 bankruptcy on March 12, 2013. The impairment charge of approximately $10.7 million consisted of the remaining equity method investment of $8.7 million and a $2.0 million loan receivable, and reduces the carrying value of both the investment and loan receivable to zero at March 30, 2013.

The loss was recorded as a component of impairment and equity loss of unconsolidated affiliate in the Consolidated Statements of Net Income for the three months ended March 30, 2013.