Equity Interest Investments (Details 1) - USD ($) $ in Thousands	3 Months Ended
Mar. 25, 2017	Mar. 19, 2016
Schedule of Equity Method Investments [Line Items]
Net sales	$ 30,812	$ 34,568
Net income (loss)	1,388	1,697
Stiga Sports AB [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	5,125	5,399
Gross profit	2,278	2,558
Net income (loss)	$ (105)	$ 97

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51831255

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51831270

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