Accumulated Other Comprehensive Income (Loss) (Reclassifications Out of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Class of Stock [Line Items]
Income Tax Expense (Benefit)	$ (455)	$ (18)	$ (50)
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Class of Stock [Line Items]
Available-for-sale investments	(185)
Income Tax Expense (Benefit)	273
Amounts reclassified from accumulated other comprehensive income (loss)	$ 88