Note 11 - Business Unit Segment Information (Tables)

3 Months Ended

Mar. 29, 2014

Segment Reporting [Abstract]

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

	March 29, 2014			March 30, 2013
Net sales
Electronics	$	95,722		$	79,415
Automotive		82,419			59,385
Electrical		28,718			32,118
Total net sales	$	206,859		$	170,918
Depreciation and amortization
Electronics	$	5,370		$	4,861
Automotive		3,528			1,984
Electrical		1,268			959
Total depreciation and amortization	$	10,166		$	7,804
Operating income
Electronics	$	19,068		$	12,143
Automotive		11,899			9,483
Electrical		4,032			6,491
Other(1)		(1,409	)		—
Total operating income		33,590			28,117
Interest expense		1,216			376
Impairment, loan loss and equity in net loss of unconsolidated affiliate (2)		—			10,678
Foreign exchange (gain) loss		(252	)		319
Other (income) expense, net		(1,186	)		(1,228	)
Income before income taxes	$	33,812		$	17,972

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

	Net sales(a)
	March 29, 2014		March 30, 2013
United States	$	71,874	$	57,914
China		37,213		33,614
Other countries		97,772		79,390
Total	$	206,859	$	170,918

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

	Long-lived assets(b)
	March 29, 2014		December 28, 2013
United States	$	38,583	$	27,294
China		42,784		45,843
Canada		13,760		14,429
Other countries		63,390		62,607
Total	$	158,517	$	150,173