Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Jan. 03, 2015	Dec. 28, 2013
Schedule of Merchandise Product Categories [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 44,159	$ 38,934	$ 44,159	$ 38,934	$ 45,675	$ 48,408
Merchandise product categories	100.00%	100.00%	100.00%	100.00%
Core Boating Products [Member]
Schedule of Merchandise Product Categories [Line Items]
Merchandise product categories	80.30%	82.70%	80.60%	82.70%
Merchandise Expansion Products [Member]
Schedule of Merchandise Product Categories [Line Items]
Merchandise product categories	19.70%	17.30%	19.40%	17.30%