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Schedule Of Changes In Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended |
|---|---|
|
Sep. 30, 2012
|
|
| Goodwill And Intangible Assets [Abstract] | |
| Net balance at January 1 | $ 259,084 |
| Disposals | (1,800) |
| Currency translation | (197) |
| Net balance at September 30 | $ 257,087 |