Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 30, 2018 |
Mar. 31, 2017 |
|
| Income Statement [Abstract] | ||
| Revenue | $ 320,516 | $ 290,063 |
| Cost of revenue | 294,050 | 264,701 |
| Selling, general and administrative expenses | 17,795 | 13,713 |
| Operating income | 8,671 | 11,649 |
| Interest (expense) income, net | (1,164) | (1,134) |
| Income from operations before income taxes | 7,507 | 10,515 |
| Income tax expense | 1,396 | 3,847 |
| Net income | $ 6,111 | $ 6,668 |
| Earnings Per Share | ||
| Basic (in dollars per share) | $ 0.55 | $ 0.61 |
| Diluted (in dollars per share) | $ 0.54 | $ 0.60 |
| Weighted average common shares outstanding - basic (in shares) | 11,146 | 10,909 |
| Weighted average common shares outstanding - diluted (in shares) | 11,338 | 11,075 |