Note 15 - Employee Benefit Plans (Details) - Amounts Recognized in Consolidated Balance Sheets - Domestic SCP [Member] - USD ($) $ in Thousands	Jan. 03, 2016	Dec. 28, 2014
Note 15 - Employee Benefit Plans (Details) - Amounts Recognized in Consolidated Balance Sheets [Line Items]
Current liabilities	$ 1,009	$ 847
Non-current liabilities	24,850	23,169
	$ 25,859	$ 24,016