Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Goodwill [Roll Forward]
Balance as of January 2, 2016			$ 11,071
Changes in foreign currency exchange rates			(241)
Goodwill impairment	$ (10,830)	$ 0	(10,830)	$ 0
Balance as of July 2, 2016	0		0
North America [Member]
Goodwill [Roll Forward]
Balance as of January 2, 2016			3,947
Changes in foreign currency exchange rates			0
Goodwill impairment			(3,947)
Balance as of July 2, 2016	0		0
EMEA [Member]
Goodwill [Roll Forward]
Balance as of January 2, 2016			7,124
Changes in foreign currency exchange rates			(241)
Goodwill impairment			(6,883)
Balance as of July 2, 2016	$ 0		$ 0