Accounts Receivable, Net - Summary of Accounts Receivable, Net (Detail) - USD ($) $ in Thousands |
Mar. 28, 2015 |
Dec. 27, 2014 |
Dec. 28, 2013 |
|---|---|---|---|
| Receivables [Abstract] | |||
| Trade accounts receivable | $ 100,528 | $ 131,060 | $ 85,188 |
| Retention receivables | 10,301 | 12,053 | 15,966 |
| Receivables from related parties | 928 | 333 | 202 |
| Accounts receivable | 111,757 | 143,446 | 101,356 |
| Less: Allowance for doubtful accounts | (1,816) | (2,144) | (2,019) |
| Accounts receivable, net | $ 109,941 | $ 141,302 | $ 99,337 |