Note 10 - Business Unit Segment Information (Tables)

3 Months Ended

Mar. 28, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	March 28, 2015			March 29, 2014
Net sales
Electronics	$	99,380		$	95,722
Automotive		84,071			82,419
Electrical		26,862			28,718
Total net sales	$	210,313		$	206,859
Depreciation and amortization
Electronics	$	5,798		$	5,370
Automotive		3,336			3,528
Electrical		1,284			1,268
Total depreciation and amortization	$	10,418		$	10,166
Operating income
Electronics	$	18,665		$	19,068
Automotive		11,171			11,899
Electrical		2,730			4,032
Other (1)		(3,018	)		(1,409	)
Total operating income		29,548			33,590
Interest expense		1,151			1,216
Foreign exchange loss (gain)		3,117			(252	)
Other (income) expense, net		(1,126	)		(1,186	)
Income before income taxes	$	26,406		$	33,812

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Net sales(a)
	March 28, 2015		March 29, 2014
United States	$	83,373	$	71,874
China		44,429		37,213
Other countries		82,511		97,772
Total	$	210,313	$	206,859

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	Long-lived assets(b)
	March 28, 2015		December 27, 2014
United States	$	35,641	$	34,179
China		39,321		40,981
Canada		12,160		12,899
Other countries		73,750		70,581
Total	$	160,872	$	158,640

	Additions to long-lived assets
	March 28, 2015		March 29, 2014
United States	$	3,187	$	1,625
China		667		685
Canada		538		145
Other countries		7,887		3,968
Total	$	12,279	$	6,423