Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Net revenues	$ 1,081.7	$ 875.3	$ 1,958.2	$ 1,731.8
Operating expenses:
Cost of sales (excludes amortization, presented below)	613.4	498.0	1,069.0	1,002.7
Research and development	80.5	61.8	154.8	121.3
Selling and marketing	102.1	80.7	187.6	158.3
General and administrative	85.4	75.9	164.7	150.3
Amortization	74.6	43.1	131.2	82.1
Loss on asset sales and impairments	7.4	0.1	21.8	1.1
Total operating expenses	963.4	759.6	1,729.1	1,515.8
Operating income	118.3	115.7	229.1	216.0
Non-operating income (expense):
Interest income	0.5	0.3	1.3	0.7
Interest expense	(22.9)	(20.0)	(44.7)	(40.3)
Other income (expense)	(0.3)	2.5	(4.0)	28.6
Total other income (expense), net	(22.7)	(17.2)	(47.4)	(11.0)
Income before income taxes and noncontrolling interests	95.6	98.5	181.7	205.0
Provision for income taxes	43.2	27.9	84.5	64.6
Net income	52.4	70.6	97.2	140.4
Loss attributable to noncontrolling interest	0.3		0.8
Net income attributable to common shareholders	$ 52.7	$ 70.6	$ 98.0	$ 140.4
Earnings per share:
Basic	$ 0.42	$ 0.58	$ 0.79	$ 1.15
Diluted	$ 0.42	$ 0.57	$ 0.78	$ 1.14
Weighted average shares outstanding:
Basic	124.5	122.3	124.1	122.0
Diluted	126.4	124.0	126.1	123.7