Acquired Intangible Assets and Goodwill (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Goodwill [Line Items]
Beginning, Balance	$ 21,456
Ending, Balance	21,548	$ 21,456
Sporting Goods [Member]
Goodwill [Line Items]
Beginning, Balance	21,456	20,047
Acquisition	92	1,409
Ending, Balance	$ 21,548	$ 21,456