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Equity Interest Investments (Details) - 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]            
Equity in earnings of affiliates   $ 133 $ 76   $ 121 $ 24
Stiga Sports B [Member]            
Schedule of Equity Method Investments [Line Items]            
Equity in earnings of affiliates $ 133   $ 76 $ 121   $ 24