Borrowings (Schedule Of Borrowings) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Long-term borrowings	$ 773,646	$ 808,810
Less current portion	3,796	2,444
Total long-term borrowings	769,850	806,366
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving Facility	11,181	50,798
Other Borrowings [Member]
Debt Instrument [Line Items]
Long-term borrowings	6,996	5,677
4.2% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term borrowings	349,143	349,125
2.58% Senior Euro Notes [Member]
Debt Instrument [Line Items]
Long-term borrowings	107,738	104,655
4.5 % Senior Notes [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 298,588	$ 298,555