Goodwill (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012
Goodwill [Roll Forward]
Goodwill, balance at beginning of year	$ 30,485	$ 30,465
Currency translation	(58)	20
Goodwill, balance at end of year	$ 30,427	$ 30,485