Acquisitions - Supplemental Pro Forma Information of Acquisitions (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 27, 2014 |
Dec. 28, 2013 |
Dec. 29, 2012 |
|
| Business Combinations [Abstract] | |||
| Revenue | $ 1,326,861 | $ 1,230,491 | $ 1,022,535 |
| Net income (loss) | $ 8,181 | $ (104,705) | $ (46,405) |