Stock-Based Compensation Expense - Summary of Stock Option Activity (Detail)
$ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended |
|
Apr. 01, 2018
USD ($)
$ / shares
shares
|
|---|
| Shares (in thousands) |
|
| Outstanding, shares | shares |
12,726
|
| Granted, shares | shares |
2,043
|
| Exercised, shares | shares |
(697)
|
| Forfeited or expired, shares | shares |
(68)
|
| Outstanding, shares | shares |
14,004
|
| Exercisable as of reporting date, shares | shares |
4,879
|
| Options vested or expected to vest as of reporting date, shares | shares |
12,377
|
| Weighted- Average Exercise Price |
|
| Outstanding, in dollars per share | $ / shares |
$ 25.24
|
| Granted, in dollars per share | $ / shares |
56.44
|
| Exercised, in dollars per share | $ / shares |
15.96
|
| Forfeited or expired, in dollars per share | $ / shares |
25.84
|
| Outstanding, in dollars per share | $ / shares |
30.25
|
| Exercisable as of reporting date, Weighted-Average Exercise Price, in dollars per share | $ / shares |
19.88
|
| Options vested or expected to vest as of period end (in dollars per share) | $ / shares |
$ 28.99
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |
|
| Outstanding, in years |
7 years 10 months 24 days
|
| Exercisable, in years |
6 years 6 months
|
| Options vested or expected to vest, in years |
7 years 9 months 18 days
|
| Aggregate Intrinsic Value (in thousands) |
|
| Outstanding, in dollars | $ |
$ 317,169
|
| Exercisable, in dollars | $ |
156,676
|
| Options vested or expected to vest, in dollars | $ |
$ 294,379
|