Equity Interest Investments (Details 1) - USD ($) $ in Thousands	3 Months Ended
Mar. 19, 2016	Mar. 21, 2015
Schedule of Equity Method Investments [Line Items]
Net sales	$ 34,568	$ 33,419
Net income	1,697	3,497
Stiga Sports AB [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	5,399	5,599
Gross profit	2,558	2,871
Net income	$ 97	$ 518

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
-Publisher FASB
-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Other Comprehensive Income
-URI http://asc.fasb.org/extlink&oid=51831270

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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