XML 63 R61.htm IDEA: XBRL DOCUMENT v3.19.3
Stock-Based Compensation - RSU Activity (Details) - RSUs
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 27, 2019
USD ($)
$ / shares
shares
Shares  
RSUs outstanding at beginning of period (in shares) | shares 4,857,334
Awarded (in shares) | shares 5,635,362
Vested and released (in shares) | shares (484,731)
Forfeited (in shares) | shares (258,142)
RSUs outstanding at end of period (in shares) | shares 9,749,823
Weighted Average Grant Date Fair Value Per Share  
RSUs outstanding at beginning of period (in dollars per share) | $ / shares $ 18.42
Awarded (in dollars per share) | $ / shares 19.54
Vested and released (in dollars per share) | $ / shares 12.33
Forfeited (in dollars per share) | $ / shares 18.47
RSUs outstanding at end of period (in dollars per share) | $ / shares $ 19.37
Weighted Average Remaining Contractual Term  
RSUs outstanding at end of period 2 years 2 months 12 days
Aggregate Intrinsic Value  
RSUs outstanding at end of period | $ $ 175,448