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STOCK-BASED COMPENSATION (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Allocation of stock-based compensation expense
Stock-based compensation expense	$ 10.9	$ 10.5	$ 31.3	$ 26.0
Unrecognized compensation expense related to nonvested stock options, restricted stock units, market-based restricted stock units and employee stock purchase subscriptions	77.2		77.2
Period over which unrecognized compensation expense is expected to be recognized			31 months
Costs of goods sold
Allocation of stock-based compensation expense
Stock-based compensation expense	1.4	1.3	3.7	3.0
Selling, general and administrative expenses
Allocation of stock-based compensation expense
Stock-based compensation expense	8.0	7.5	23.1	18.7
Research and development expenses
Allocation of stock-based compensation expense
Stock-based compensation expense	$ 1.5	$ 1.7	$ 4.5	$ 4.3

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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