Derivative Instruments and Hedging Activities (Details 3) In Thousands, unless otherwise specified	3 Months Ended							3 Months Ended
	Mar. 31, 2012 USD ($)	Mar. 31, 2011 USD ($)	Mar. 31, 2012 The 6 3/4% notes USD ($)	Mar. 31, 2011 The 6 3/4% notes USD ($)	Mar. 31, 2012 The 6 3/4% notes EUR (€)	Dec. 31, 2011 The 6 3/4% notes	Mar. 31, 2011 The 6 3/4% notes EUR (€)	Mar. 31, 2012 Foreign exchange contracts Other (income) expense, net USD ($)	Mar. 31, 2011 Foreign exchange contracts Other (income) expense, net USD ($)
Gains and losses on derivative instruments
Total (gain) loss recognized in income on derivatives	$ 7,971	$ 4,921						$ 7,971	$ 4,921
Net investment hedge
Stated Interest Rate (as a percent)			6.75%			6.75%	6.75%
Designated hedges of net investment (in Euros)					102,333		75,667
Foreign exchange gains (losses)			(3,755)	(6,300)
Foreign exchange gains (losses), net of tax			(2,345)	(3,938)
Cumulative net investment hedge gains (losses) recorded in accumulated other comprehensive items, net			$ 11,045