Note 12 - Business Unit Segment Information (Detail) - Business Unit Segment Information (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jul. 02, 2011		Jun. 30, 2012		Jul. 02, 2011
Net sales	$ 175,853		$ 176,615		$ 336,431		$ 343,775
Depreciation and amortization	7,566		7,915		15,517		15,506
Operating income	32,096		35,291		57,920		66,209
Interest expense	421		521		844		857
Other (income) expense, net	(757)		(11)		(656)		(37)
Income before income taxes	32,432		34,781		57,732		65,389
Electronics [Member]
Net sales	89,508		98,390		166,562		185,743
Depreciation and amortization	5,112		5,394		10,598		10,677
Operating income	15,778		20,700		25,889		38,363
Automotive [Member]
Net sales	51,450		50,397		104,076		104,254
Depreciation and amortization	1,502		1,624		2,951		3,039
Operating income	6,965		7,731		16,471		18,125
Electrical [Member]
Net sales	34,895		27,828		65,793		53,778
Depreciation and amortization	952		897		1,968		1,790
Operating income	9,353		7,456		15,560		13,995
All Other Segments [Member]
Operating income		[1]	$ (596)	[1]		[1]	$ (4,274)	[1]

[1] Included in "Other" operating income for the three months ended July 2, 2011 are acquisition related fees. Included in "Other" operating income (loss) for the six months ended July 2, 2011 is a non-cash charge of $3.7 million for the sale of inventory that had been stepped-up to fair value at the acquisition date of Cole Hersee in 2010 as required by purchase accounting rules. As the inventory was sold, the non-cash charge impacted operating income.