Borrowings (Schedule Of Borrowings) (Details) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Revolving Facility	$ 374,200,000
Total borrowings	878,137,000	527,895,000
Less current portion	(85,020,000)	(119,445,000)
Total long-term borrowings	793,117,000	408,450,000
2.58% Senior Euro Notes [Member]
Total borrowings	116,559,000	107,341,000
4.5% Senior Notes [Member]
Total borrowings	298,490,000	298,427,000
Revolving Credit Facility [Member]
Revolving Facility	374,222,000
Line of Credit [Member]
Credit facility		27,842,000
Term Loan [Member]
Total borrowings	82,000,000	90,000,000
Other Borrowings [Member]
Total borrowings	$ 6,866,000	$ 4,285,000