Operating Segment Information (Narrative) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue, Major Customer [Line Items]
Number of operating segments	2
Unites States [Member] | Sales [Member] | Minimum [Member]
Revenue, Major Customer [Line Items]
Percentage of customers	94.00%	94.00%	94.00%
Davidson's [Member] | Sales [Member]
Revenue, Major Customer [Line Items]
Percentage of customers	17.00%	14.00%	12.00%
Jerry's/Ellett Brothers [Member] | Sales [Member]
Revenue, Major Customer [Line Items]
Percentage of customers	14.00%	15.00%	16.00%
Lipsey's [Member] | Sales [Member]
Revenue, Major Customer [Line Items]
Percentage of customers	13.00%	12.00%	11.00%
Sports South [Member] | Sales [Member]
Revenue, Major Customer [Line Items]
Percentage of customers	12.00%	12.00%	11.00%