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EMPLOYEE STOCK BENEFIT PLANS (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Stock-based compensation expense
Total stock-based compensation expense	$ 39.9	$ 19.7	$ 17.7
Cost of products sold
Stock-based compensation expense
Total stock-based compensation expense	4.0	2.0	1.8
Selling, general and administrative
Stock-based compensation expense
Total stock-based compensation expense	31.9	15.7	14.1
Research and development
Stock-based compensation expense
Total stock-based compensation expense	$ 4.0	$ 2.0	$ 1.8

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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