Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Income Taxes [Abstract]
Net operating loss carryforwards	$ 30,549	$ 18,469	[1]
Credit carryforwards	88,854	61,322	[1]
Reserves and accrued expenses	6,008	6,987	[1]
Stock-based compensation	11,688	11,684	[1]
Other	358	1,016	[1]
Capitalized technology & other	3,290	2,987	[1]
Capital loss	1,208	1,051	[1]
Depreciation and amortization	15,903	12,139	[1]
Total deferred tax assets	157,858	115,655	[1]
Valuation allowance	(92,525)	(56,179)	[1]
Deferred income tax on credits	(8,864)	(11,126)	[1]
Goodwill amortization	(44,946)	(39,791)	[1]
Federal benefits	(10,300)	(5,444)	[1]
Total deferred tax assets, net	$ 1,223	$ 3,115	[1]

[1] As Restated