General (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010	Dec. 02, 2009
General (Textuals) [Abstract]
Preferred stock, par value	$ 0		$ 0		$ 0
Preferred stock, shares authorized	2,500,000		2,500,000		2,500,000
Mandatorily redeemable preferred stock issued						200,000
Common Stock, Par or Stated Value Per Share	$ 0.0033		$ 0.0033		$ 0.0033
Common stock, shares authorized	500,000,000		500,000,000		500,000,000
Common stock, shares issued	136,800,000		136,800,000		135,500,000
Common stock, shares outstanding	126,900,000		126,900,000		125,800,000
Treasury stock, shares	9,900,000		9,900,000		9,700,000
Large wholesalers represents the company's chargeback payments minimum			85.00%
Large wholesalers represents the company's chargeback payments maximum			90.00%
Accounts receivable are presented net of sales returns and allowances balances	$ 347.7		$ 347.7		$ 320.5
Sales return and allowance included in the accounts payable and accrued liabilities	152.3		152.3		106.5
Anti-dilutive securities	200,000	1,300,000	200,000	1,400,000
Total unrecognized compensation expenses related to stock options grant	0.3		0.3
Remaining weighted average period related to option grants (Years)			0.6
Total unrecognized compensation expense related to restricted stock grant	50.7		50.7
Remaining weighted average period related to restricted stock grants (Years)			2.6
Restricted stock grants issued			948,000
Aggregate intrinsic value of restricted stock grants			$ 53,700,000
Impairment charge related to certain IPR&D assets			$ 7.5