Acquisitions and Divestitures (Details 1) (Specifar [Member], USD $) In Millions, except Per Share data	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Specifar [Member]
Unaudited Pro Forma Results of Operations
Net revenues	$ 2,002.1	$ 1,782.2
Net income	$ 98.9	$ 119.6
Earnings per share:
Basic	$ 0.80	$ 0.98
Diluted	$ 0.78	$ 0.97