Equity Interest Investments (Details 2) - USD ($) $ in Thousands	3 Months Ended		5 Months Ended	9 Months Ended
	Oct. 06, 2018	Oct. 07, 2017	May 17, 2018	Oct. 06, 2018	Oct. 07, 2017
Schedule of Equity Method Investments [Line Items]
Net sales	$ 43,955	$ 42,861		$ 124,788	$ 128,648
Net income	3,575	3,118		$ 16,862	6,602
Stiga Sports AB [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	0	13,036	$ 12,978		29,333
Gross profit	0	6,006	6,019		13,718
Net income	$ 0	$ 1,229	$ 241		$ 1,278