Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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Fair value portion of investments accounted under the cost method.

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For an unclassified balance sheet, this item represents investments in common and preferred stocks and other forms of securities that provide ownership interests in a corporation.

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Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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Note 6 - Investments (Details Textual) € in Millions, $ in Millions	6 Months Ended
	Jul. 02, 2016 USD ($)	Jul. 02, 2016 EUR (€)	Jul. 02, 2016 USD ($)	Jan. 02, 2016 EUR (€)	Jan. 02, 2016 USD ($)
Monolith [Member]
Cost Method Investments, Fair Value Disclosure			$ 3.5		$ 3.5
Cost Method Investments					$ 3.5
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				12.00%	12.00%
Polytronics [Member]
Marketable Securities, Equity Securities		€ 9.4	$ 10.4	€ 10.7	$ 11.7
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax	$ (1.5)