v3.7.0.1
Net Income (Loss) per Share Attributable to Common Stockholders - Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2017
Jun. 25, 2016
Jul. 01, 2017
Jun. 25, 2016
Numerator:        
Net income (loss) attributable to common stockholders $ 874 $ (3,419) $ 1,066 $ 3,336
Net income attributable to common stockholders - diluted $ 885 $ 0 $ 1,077 $ 0
Denominator:        
Weighted average number of shares outstanding, basic 29,556 32,136 29,352 32,183
Dilutive impact from:        
Weighted average number of shares outstanding, diluted 32,220 32,136 31,746 34,082
Net income (loss) per share attributable to common stockholders (Basic):        
Income (loss) from continuing operations, basic (in dollars per share) $ 0.03 $ (0.11) $ 0.04 $ (0.14)
Income (loss) from discontinued operations, basic (in dollars per share) 0.00 0.00 0.00 0.24
Net income (loss) per share, basic (in dollars per share) 0.03 (0.11) 0.04 0.10
Net income (loss) per share attributable to common stockholders (Diluted):        
Income (loss) from continuing operations attributable to common stockholders (in dollars per share) 0.03 (0.11) 0.03 (0.13)
Income from discontinued operations attributable to common stockholders (in dollars per share) 0.00 0.00 0.00 0.23
Net income per share attributable to common stockholders (in dollars per share) $ 0.03 $ (0.11) $ 0.03 $ 0.10
Stock options        
Dilutive impact from:        
Share-based payment arrangements 1,962 0 1,786 1,052
Restricted stock units        
Dilutive impact from:        
Share-based payment arrangements 702 0 608 847