Long-Term Debt (Summary Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 U.S. Term A Loans [Member]	Dec. 31, 2010 Euro Tranche A Term Loans [Member]	Dec. 31, 2010 U.S. Tranche B Term Loans [Member]	Dec. 31, 2010 Euro Tranche B Term Loans [Member]	Dec. 31, 2011 Senior Convertible Notes [Member]	Dec. 31, 2010 Senior Convertible Notes [Member]	Mar. 31, 2007 Senior Convertible Notes [Member]	Dec. 31, 2011 Cash Convertible Notes [Member]	Dec. 31, 2010 Cash Convertible Notes [Member]	Sep. 30, 2008 Cash Convertible Notes [Member]	Sep. 15, 2008 Cash Convertible Notes [Member]	Dec. 31, 2011 2017 Senior Notes [Member]	Dec. 31, 2010 2017 Senior Notes [Member]	Dec. 31, 2011 2018 Senior Notes [Member]	Jan. 31, 2011 2018 Senior Notes [Member]	Dec. 31, 2010 2018 Senior Notes [Member]	Nov. 30, 2010 2018 Senior Notes [Member]	Dec. 31, 2011 2020 Senior Notes [Member]	Dec. 31, 2010 2020 Senior Notes [Member]	Dec. 31, 2011 Other Long-Term Debt [Member]	Dec. 31, 2010 Other Long-Term Debt [Member]
Debt Instrument [Line Items]
Long term debt	$ 5,168,226	$ 5,268,185	$ 1,250,000	$ 234,550	$ 500,000	$ 674,705	$ 593,983	$ 565,476	$ 600,000	$ 937,160	$ 928,344	$ 575,000	$ 575,000	$ 550,000	$ 550,000	$ 818,774	$ 500,000	$ 787,728	$ 800,000	$ 1,014,643	$ 1,015,848	$ 3,666	$ 11,534
Less: Current portion	689,146	4,809
Total long-term debt	$ 4,479,080	$ 5,263,376