Balance Sheet Account Details (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2013	Dec. 30, 2012
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due within one year	$ 176,443
After one but within five years	159,712
Available for sale securities, estimated fair value	$ 336,155	$ 916,223

Amount of debt securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant