Goodwill and Long-Lived Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014
Goodwill [Line Items]
Balance as of December 28, 2013	$ 8,225
Changes in foreign currency exchange rates	57
Balance as of March 29, 2014	8,282
North America [Member]
Goodwill [Line Items]
Balance as of December 28, 2013	3,947
Changes in foreign currency exchange rates	0
Balance as of March 29, 2014	3,947
EMEA [Member]
Goodwill [Line Items]
Balance as of December 28, 2013	4,278
Changes in foreign currency exchange rates	57
Balance as of March 29, 2014	$ 4,335