(8) Investments Sales of Available-for-sale Securities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 02, 2011	Jan. 03, 2010
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales	$ 288	$ 32,243
Gross realized gains	125	3,035
Gross realized losses	0	(618)
Gross realized gain (loss)	125	2,417
Unrealized holding gains arising during the year	0	101
Reclassification of prior year unrealized holding gains into net income or loss	(101)	(168)
Change in unrealized gains and losses on available-for-sale securities, gross	(101)	(67)
Income tax benefit	42	18
Change in unrealized gain on available-for-sale securities	$ (59)	$ (49)

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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