Annual report pursuant to Section 13 and 15(d)

Segment Information (Schedule Of Revenue By Category) (Details)

v3.20.4
Segment Information (Schedule Of Revenue By Category) (Details) - Revenue Benchmark [Member] - Product Concentration Risk [Member]
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Climb [Member]      
Product Information [Line Items]      
Concentration risk, percentage 28.00% 31.00% 30.00%
Mountain [Member]      
Product Information [Line Items]      
Concentration risk, percentage 28.00% 34.00% 34.00%
Ski [Member]      
Product Information [Line Items]      
Concentration risk, percentage 20.00% 22.00% 19.00%
Sport [Member]      
Product Information [Line Items]      
Concentration risk, percentage 24.00% 13.00% 17.00%