Other Intangible Assets (Estimated Amortization Expense for Finite-Lived Intangible Assets) (Detail) $ in Thousands |
Jun. 30, 2016
USD ($)
|
|---|---|
| Intangible Assets Net Excluding Goodwill [Abstract] | |
| Remainder of 2016 | $ 5,800 |
| 2017 | 9,449 |
| 2018 | 6,544 |
| 2019 | 4,295 |
| 2020 | 2,551 |
| 2021 | $ 1,143 |