|
Activity and Balances Relating to Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
|---|---|
|
Mar. 31, 2015
|
|
| Goodwill and Intangible Assets Disclosure [Abstract] | |
| Goodwill Beginning Balance | $ 705,608 |
| Acquisition | 128 |
| Foreign currency | (3,318) |
| Adjustments | 919 |
| Goodwill Ending Balance | $ 703,337 |