Income Taxes (Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits, beginning of period	$ 3,098	$ 3,193	$ 3,446
Increases (decreases) in positions taken in a prior period	14	492	78
Decreases in positions taken in a prior period	(8)	(16)	(73)
Increases in positions taken in a current period	626	670	571
Decrease due to settlements	0	0	0
Decrease due to lapse of statute of limitations	(803)	(1,241)	(829)
Unrecognized tax benefits, end of period	$ 2,927	$ 3,098	$ 3,193