XML 47 R75.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock Plans and Stock-Based Compensation - Schedule of Stock Option Activity (Details)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock options outstanding, Beginning Balance | shares 1,746,073
Stock options outstanding, Exercised | shares (918,588)
Stock options outstanding, Forfeited | shares (104,102)
Stock options outstanding, Ending Balance | shares 723,383
Weighted average exercise price, Beginning Balance | $ / shares $ 22.43
Weighted average exercise price, Exercised | $ / shares 18.96
Weighted average exercise price, Forfeited | $ / shares 24.44
Weighted average exercise price, Ending Balance | $ / shares $ 26.56