Equity Interest Investments (Details 1) - Stiga Sports AB [Member] $ in Thousands	3 Months Ended
Mar. 24, 2018 USD ($)
Schedule of Equity Method Investments [Line Items]
Net sales	$ 6,174
Gross profit	2,677
Net loss	$ (23)

The amount of gross profit (loss) reported by an equity method investment of the entity.

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The amount of net income (loss) reported by an equity method investment of the entity.

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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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