Goodwill and Other Intangibles - Estimated Amortization Expense for Each of Five Succeeding Fiscal Years (Detail) $ in Thousands |
Dec. 31, 2015
USD ($)
|
|---|---|
| Goodwill and Intangible Assets Disclosure [Abstract] | |
| Amortization expense, Fiscal Year 2016 | $ 1,469 |
| Amortization expense, Fiscal Year 2017 | 1,212 |
| Amortization expense, Fiscal Year 2018 | 1,025 |
| Amortization expense, Fiscal Year 2019 | 838 |
| Amortization expense, Fiscal Year 2020 | $ 585 |