Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Amortization of stock-based compensation	$ 36,923	$ 34,546	$ 39,225
Percentage of Total Sales		1.00%	4.00%
Shipping, Handling and Transportation Costs	92,620	83,278	78,666
GP Percent of Sales BP Change	$ 50
Gross Profit Percent of Sales	13.10%
Gross Profit Percent of Sales, Adjusted	12.60%