Note 10 - Derivative Instruments (Tables)

12 Months Ended

Dec. 30, 2018

Notes Tables

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

	Asset Derivatives as of			Liability Derivatives as of
	Decem ber 30, 2018			Dece mber 30, 2018
	Balance Sheet			Balance Sheet
	Location	Fair Value		Location	Fair Value
Derivative instruments designated as hedging instruments:
Foreign currency contracts	Other current assets	$	651	Other current liabilities		--
Interest rate swap contract	Other current assets		1,794	Other current liabilities		--
		$	2,445			--

	Asset Derivatives as of			Liability Derivatives as of
	December 31, 2017			December 31, 2017
	Balance Sheet			Balance Sheet
	Location	Fair Value		Location	Fair Value
Derivative instruments designated as hedging instruments:
Interest rate swap contract	Other current assets	$	904	Other current liabilities		--

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Gain (Loss) Recognized in Accumulated
2018	Other Comprehensive Income
Foreign currency contracts	$	(468	)
Interest rate swap contract	$	890