Long-Term Debt (Schedule Of Convertible Debt Instruments Outstanding) (Details) (USD $)			9 Months Ended	12 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended	12 Months Ended
	Sep. 28, 2012	Dec. 31, 2011	Sep. 28, 2012 North America [Member] Subordinated Convertible Notes Due 2029 [Member]	Dec. 31, 2011 North America [Member] Subordinated Convertible Notes Due 2029 [Member]	Dec. 15, 2009 North America [Member] Subordinated Convertible Notes Due 2029 [Member]	Sep. 28, 2012 North America [Member] 4.50% Annual Interest Rate On Subordinated Convertible Notes Until November 2019 [Member]	Dec. 31, 2011 North America [Member] 4.50% Annual Interest Rate On Subordinated Convertible Notes Until November 2019 [Member]	Sep. 28, 2012 North America [Member] 2.25% Annual Interest Rate On Subordinated Convertible Notes Until November 2029 [Member]	Dec. 31, 2011 North America [Member] 2.25% Annual Interest Rate On Subordinated Convertible Notes Until November 2029 [Member]	Sep. 28, 2012 North America [Member] 1.00% Senior Convertible Notes Due 2012 [Member]	Dec. 31, 2011 North America [Member] 1.00% Senior Convertible Notes Due 2012 [Member]	Dec. 15, 2009 North America [Member] 1.00% Senior Convertible Notes Due 2012 [Member]	Sep. 30, 2007 North America [Member] 1.00% Senior Convertible Notes Due 2012 [Member]	Sep. 28, 2012 North America [Member] 0.875% Convertible Notes Due 2013 [Member]	Dec. 31, 2011 North America [Member] 0.875% Convertible Notes Due 2013 [Member]	Nov. 30, 2006 North America [Member] 0.875% Convertible Notes Due 2013 [Member]
Debt Instrument [Line Items]
Face value			$ 429,500,000	$ 429,500,000	$ 162,900,000					$ 10,600,000	$ 10,600,000	$ 389,700,000	$ 348,200,000	$ 355,000,000	$ 355,000,000	$ 230,900,000
Debt discount			(263,400,000)	(264,400,000)	(266,600,000)					0	(500,000)	(74,700,000)	(126,800,000)	(25,500,000)	(40,600,000)	(124,100,000)
Book value	1,697,100,000	1,048,900,000	166,100,000	165,100,000						10,600,000	10,100,000			329,500,000	314,400,000
Fair value			$ 461,700,000	$ 412,300,000						$ 10,600,000	$ 9,800,000			$ 351,900,000	$ 329,700,000
Maturity date			November 2029	November 2029		November 2019	November 2019	November 2029	November 2029	October 2012	October 2012			November 2013	November 2013
Interest rate						4.50%	4.50%	2.25%	2.25%	1.00%	1.00%	1.00%		0.875%	0.875%	0.875%
Interest payments			Semi-annually: May 15 & Nov 15	Semi-annually: May 15 & Nov 15						Semi-annually: Apr 15 & Oct 15	Semi-annually: Apr 15 & Oct 15			Semi-annually: May 15 & Nov 15	Semi-annually: May 15 & Nov 15