Note 4 - Goodwill and Other Intangible Assets (Details) - Amounts for Goodwill and Changes in Carrying Value by Operating Segment (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013		Dec. 29, 2012		Jan. 01, 2011
Goodwill [Line Items]
Fiscal Year	$ 133,592		$ 115,697
Additions (Reductions)	50,793	[1]	15,955	[2]
Adjust.	2,079	[3]	1,940	[3]
Fiscal Year	186,464		133,592
Electronics [Member]
Goodwill [Line Items]
Fiscal Year	60,446		35,423		34,976
Additions (Reductions)	24,031	[1]		[2]
Adjust.	992	[3]	447	[3]
Fiscal Year			60,446		34,976
Automotive [Member]
Goodwill [Line Items]
Fiscal Year	56,255		39,187
Additions (Reductions)	26,762	[1]	16,098	[2]
Adjust.	1,964	[3]	970	[3]
Fiscal Year	84,981		56,255
Electrical [Member]
Goodwill [Line Items]
Fiscal Year	41,914		41,534
Additions (Reductions)		[1]	(143)	[2]
Adjust.	(877)	[3]	523	[3]
Fiscal Year	$ 41,037		$ 41,914

[1] Electronic additions of $24.0 million and automotive additions of $26.8 million in 2013 resulted from the acquisition of Hamlin.

[2] Automotive additions in 2012 of $16.1 million resulted from the acquisition of Accel and Terra Power. Electrical reductions in 2012 resulted from adjustments to the final purchase price allocation for the Selco acquisition.

[3] Adjustments reflect the impact of changes in foreign exchange rates.