Equity Interest Investments (Details 2) - USD ($) $ in Thousands	2 Months Ended	4 Months Ended		5 Months Ended	6 Months Ended
	May 17, 2018	Jul. 14, 2018	Jul. 15, 2017	May 17, 2018	Jul. 14, 2018	Jul. 15, 2017
Schedule of Equity Method Investments [Line Items]
Net sales		$ 54,426	$ 59,220		$ 90,027	$ 94,338
Net income		$ 12,071	2,096		$ 13,287	3,484
Stiga Sports AB [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	$ 6,804		11,172	$ 12,978		16,297
Gross profit	3,342		5,434	6,019		7,712
Net income	$ 264		$ 154	$ 241		$ 49