Note 4 - Goodwill and Other Intangible Assets (Detail) - Amounts for Goodwill and Changes in Carrying Value by Operating Segment (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Jan. 02, 2010
Fiscal Year	$ 115,697		$ 112,687
Additions (Reductions)	15,955	[1]	4,478	[2]
Adjust.	1,940	[3]	(1,468)	[3]
Fiscal Year	133,592		115,697
Electronics [Member]
Fiscal Year	35,423		34,976		35,306
Additions (Reductions)		[1]		[2]
Adjust.	447	[3]	(330)	[3]
Fiscal Year			35,423		35,306
Automotive [Member]
Fiscal Year	39,187		41,370
Additions (Reductions)	16,098	[1]	(1,979)	[2]
Adjust.	970	[3]	(204)	[3]
Fiscal Year	56,255		39,187
Electrical [Member]
Fiscal Year	41,534		36,011
Additions (Reductions)	(143)	[1]	6,457	[2]
Adjust.	523	[3]	(934)	[3]
Fiscal Year	$ 41,914		$ 41,534

[1] 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.

[2] Automotive reductions in 2011 of $2.0 million resulted from the finalization of the Cole Hersee purchase price allocation. Electrical additions in 2011 are from the acquisition of Selco.

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