Basis of Presentation, Nature of Operations and Summary of Significant Accounting Policies Investments Policy (Details)	12 Months Ended
	Jan. 03, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Maximum Time Until Maturity of Short-term Available-for-Sale Investments	1 year 0 months 0 days
Maximum Time Until Maturity of Long-term Available-for-Sale Investments	2 years 0 months 0 days