Summary Of Significant Accounting Policies (Summary Of Net Sales By Significant Customers) (Details) (The Home Depot [Member])	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
The Home Depot [Member]
Revenue, Major Customer [Line Items]
Percentage of net sales from significant customers	12.50%	14.00%	16.30%