Equity (Narrative) (Details) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2011 USD ($)	Oct. 01, 2010 USD ($)	Sep. 30, 2011 USD ($)	Oct. 01, 2010 USD ($)	Sep. 30, 2011 JPY (¥)	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Sep. 30, 2011 Zero Coupon Convertible Senior Subordinated Notes [Member] USD ($)	Oct. 01, 2010 Zero Coupon Convertible Senior Subordinated Notes [Member] USD ($)	Sep. 30, 2011 Two Point Six Two Five Percentage Convertible Senior Subordinated Notes Due Two Thousand Twenty Six [Member]	Dec. 31, 2010 Two Point Six Two Five Percentage Convertible Senior Subordinated Notes Due Two Thousand Twenty Six [Member]	Oct. 01, 2010 2.625% Convertible Senior Subordinated Notes [Member] USD ($)
Anti-dilutive shares	11,000,000	24,000,000	7,400,000	17,400,000
Debt Instrument, Face Amount					¥ 450.0				$ 99.4			$ 484.0
Debt Instrument, Convertible, Conversion Price								$ 9.82				$ 10.50
Convertible senior subordinate notes interest rate										2.625%	2.625%
Shares Of common stock potential purchase warrants held by non-employees	5,300,000		5,300,000
Payments Related to Tax Withholding for Share-based Compensation	3.3
Common stock withheld underlying restricted stock units	443,568
Minority interests in consolidated subsidiaries	23.9	21.8	23.9	21.8		22.0	19.6
Net (income) loss attributable to minority interests	$ 0.4	$ 0.6	$ 1.9	$ 2.2