Note 1 - Summary of Significant Accounting Policies and Other Information (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2012		Dec. 31, 2011	Sep. 30, 2013
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Number of Reportable Segments			8
Fair Value Inputs, Long-term Revenue Growth Rate			3.00%
Sensitivity Analysis, Increase In Discount Rate								1.00%
Sensitivity Analysis, Decrease In Long-term Growth Rate								1.00%
Finite-Lived Intangible Asset, Useful Life	11 years 146 days				12 years 73 days
Defined Benefit Plan, Purchases, Sales, and Settlements			$ 5,100,000
Foreign Currency Transaction Gain (Loss), Realized				(3,200,000)			1,200,000
Advertising Expense			1,600,000	1,700,000			1,900,000
Shipping, Handling and Transportation Costs			6,500,000	6,200,000			5,900,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax			5,200,000	8,500,000			900,000
Other Nonoperating Income (Expense)	$ 4,646,000		$ 4,646,000	$ 5,396,000	$ 5,396,000		$ 4,126,000
Electronics (Non-Silicon) Unit [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								61.00%
Electronics (Silicon) Unit [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								97.00%
Passenger Car [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								67.00%
Commercial Vehicle Products [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								158.00%
Sensors [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								42.00%
Relay Unit [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								57.00%
Custom Products Unit [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								244.00%
Fuse Unit [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Excess of Fair Value Over Carrying Value of Invested Capital (as a percent)								151.00%
Other Segments [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Fair Value Inputs, Discount Rate			12.50%
Building [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Property, Plant and Equipment, Useful Life			21 years
Equipment [Member] | Minimum [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Property, Plant and Equipment, Useful Life			7 years
Equipment [Member] | Maximum [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Property, Plant and Equipment, Useful Life			9 years
Furniture and Fixtures [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Property, Plant and Equipment, Useful Life			7 years
Tooling [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Property, Plant and Equipment, Useful Life			5 years
Computer Equipment [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Property, Plant and Equipment, Useful Life			3 years
Patents, Licenses and Software [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	11 years	[1]			11 years 292 days	[1]
Distribution Rights [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	11 years 328 days	[1]			13 years 255 days	[1]
Minimum [Member] | Trademarks and Tradenames [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			5 years
Minimum [Member] | Patents, Licenses and Software [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			7 years
Minimum [Member] | Distribution Rights [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			3 years
Maximum [Member] | Trademarks and Tradenames [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			20 years
Maximum [Member] | Patents, Licenses and Software [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			12 years
Maximum [Member] | Distribution Rights [Member]
Note 1 - Summary of Significant Accounting Policies and Other Information (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			20 years

[1] Increase to gross carrying value for in 2013 is related to the preliminary Hamlin acquisition purchase price allocation discussed in Note 2. Other changes are primarily due to the impact of foreign currency translation adjustments.