Acquisition-Related Liabilities - Remaining Payments Due under Noncompete and Deferred Consideration Agreements (Detail) $ in Thousands |
Dec. 27, 2014
USD ($)
|
|---|---|
| Business Combinations [Abstract] | |
| 2015 | $ 16,051 |
| 2016 | 13,240 |
| 2017 | 10,200 |
| 2018 | 9,660 |
| 2019 | 5,435 |
| Thereafter | 16,272 |
| Total scheduled payments | 70,858 |
| Present value adjustments | (17,474) |
| Total noncompete obligations and deferred consideration | $ 53,384 |