Interim Statement Presentation Interim Statement Presentation (Details)	9 Months Ended
	Sep. 27, 2014
Interim Statement Presentation [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