Equity Interest Investments (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Schedule of Equity Method Investments [Line Items]
Net sales	$ 38,793	$ 34,584	$ 121,824	$ 111,798
Net income	4,243	2,028	8,030	8,747
Stiga Sports AB [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	10,635	12,846	27,161	30,161
Gross profit	4,918	6,304	12,661	14,899
Net income	$ 1,146	$ 2,138	$ 1,498	$ 3,346