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v3.10.0.1

Segment Information (Narrative) (Details) - segment | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Number of segments | 2 |  |
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] |  |  |
Concentration risk, percentage | 12.00% | 14.00% | 16.00%
Sales Revenue, Goods, Net [Member] | Product Concentration Risk [Member] | Climb [Member] |  |  |
Concentration risk, percentage | 30.00% |  |
Sales Revenue, Goods, Net [Member] | Product Concentration Risk [Member] | Mountain [Member] |  |  |
Concentration risk, percentage | 34.00% |  |
Sales Revenue, Goods, Net [Member] | Product Concentration Risk [Member] | Ski [Member] |  |  |
Concentration risk, percentage | 19.00% |  |
Sales Revenue, Goods, Net [Member] | Product Concentration Risk [Member] | Sport [Member] |  |  |
Concentration risk, percentage | 17.00% |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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