XML 86 R90.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Share-based Compensation - Schedule of Stock Option Plans (Detail)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Outstanding at the beginning of the period (in shares) | shares 1,175,887
Granted | shares 279,248
Exercised | shares (74,729)
Forfeited or expired | shares (79,092)
Outstanding at the end of the period (in shares) | shares 1,301,314
Vested and expected to vest | shares 1,301,314
Exercisable (in shares) | shares 896,836
Outstanding at the beginning of the period (in dollars per share) | $ / shares $ 41.87
Granted | $ / shares 49.17
Exercised | $ / shares 37.20
Forfeited or expired | $ / shares 54.84
Outstanding at the end of the period (in dollars per share) | $ / shares 42.92
Vested and expected to vest | $ / shares 42.92
Exercisable | $ / shares $ 39.97
Options outstanding, weighted average remaining contractual term 5 years 8 months 8 days
Options vested and expected, weighted average remaining contractual term 5 years 8 months 8 days
Options exercisable, weighted average remaining contractual term 4 years 2 months 26 days