Quarterly report pursuant to Section 13 or 15(d)

Net (Loss) Income Per Share - Anti-Dilutive Securities Excluded from Calculation of Diluted Earnings Per Share (Details)

v3.19.2
Net (Loss) Income Per Share - Anti-Dilutive Securities Excluded from Calculation of Diluted Earnings Per Share (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from calculation of diluted earnings per share (in shares) 10,908 9,095 10,166 9,281
Performance stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from calculation of diluted earnings per share (in shares) 651 343 332 384
Restricted stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from calculation of diluted earnings per share (in shares) 248 504 289 515
Series A Convertible Preferred Stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from calculation of diluted earnings per share (in shares) 2,771 2,771 2,771 2,771
Options to purchase common stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from calculation of diluted earnings per share (in shares) 7,238 5,477 6,774 5,611