Equity-Based Compensation (Equity-Based Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Oct. 04, 2013	Dec. 28, 2012	Oct. 04, 2013 Options	Sep. 28, 2012 Options	Oct. 04, 2013 Options	Sep. 28, 2012 Options	Oct. 04, 2013 Restricted And Deferred Stock Awards [Member]	Sep. 28, 2012 Restricted And Deferred Stock Awards [Member]	Oct. 04, 2013 Restricted And Deferred Stock Awards [Member]	Sep. 28, 2012 Restricted And Deferred Stock Awards [Member]	Oct. 04, 2013 Employee Stock Purchase Plan [Member]	Sep. 28, 2012 Employee Stock Purchase Plan [Member]	Oct. 04, 2013 Employee Stock Purchase Plan [Member]	Sep. 28, 2012 Employee Stock Purchase Plan [Member]	Oct. 04, 2013 Cost Of Revenue [Member]	Sep. 28, 2012 Cost Of Revenue [Member]	Oct. 04, 2013 Cost Of Revenue [Member]	Sep. 28, 2012 Cost Of Revenue [Member]	Oct. 04, 2013 Research And Development [Member]	Sep. 28, 2012 Research And Development [Member]	Oct. 04, 2013 Research And Development [Member]	Sep. 28, 2012 Research And Development [Member]	Oct. 04, 2013 Selling, General And Administrative [Member]	Sep. 28, 2012 Selling, General And Administrative [Member]	Oct. 04, 2013 Selling, General And Administrative [Member]	Sep. 28, 2012 Selling, General And Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense			$ 1,078	$ 2,070	$ 4,102	$ 7,434	$ 2,965	$ 3,023	$ 10,353	$ 10,987	$ 244	$ 207	$ 768	$ 868	$ 324	$ 360	$ 1,089	$ 1,289	$ 1,691	$ 2,314	$ 6,135	$ 9,077	$ 2,272	$ 2,626	$ 7,999	$ 8,923
Equity-based compensation capitalized in inventory	$ 384	$ 330