Nature of Operations and Accounting Policies Nature of Operations and Accounting Policies (Narrative) (Details) (Details)	3 Months Ended				12 Months Ended					12 Months Ended
	Jan. 01, 2012 USD ($)	Oct. 02, 2011 USD ($)	Jul. 03, 2011 USD ($)	Apr. 03, 2011 USD ($)	Dec. 29, 2013	Dec. 30, 2012 USD ($) segments	Jan. 01, 2012 USD ($)	Jan. 02, 2011 USD ($)	Dec. 30, 2012 EUR (€)	Dec. 30, 2012 Minimum [Member] Building [Member]	Dec. 30, 2012 Minimum [Member] Machinery and Equipment [Member]	Dec. 30, 2012 Maximum [Member] Building [Member]	Dec. 30, 2012 Maximum [Member] Machinery and Equipment [Member]
Number of operating segments						2
Operating Cycle					52		52
License and services revenue as a percentage of total revenue						3.00%	2.00%	1.00%
Property, Plant and Equipment, Useful Life, Maximum										10 years	3 years	40 years	7 years
Notional Amount of Cash Flow Hedge Instruments	$ 0						$ 0		€ 50,000,000
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Revenue	(900,000)	(800,000)	(400,000)	(700,000)		(2,800,000)	(2,800,000)	(2,600,000)
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Expenses						$ (2,800,000)	$ (2,800,000)	$ (2,600,000)