XML 84 R66.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock-Based Compensation Plans - Summary of the Restricted Stock Awards (Details)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Awards  
Nonvested (in shares) | shares 681,800
Granted (in shares) | shares 257,199
Vested (in shares) | shares (225,753)
Forfeited (in shares) | shares (39,040)
Nonvested (in shares) | shares 674,206
Weighted Average Grant Date Fair Value  
Nonvested (in dollars per share) | $ / shares $ 71.60
Granted (in dollars per share) | $ / shares 65.92
Vested (in dollars per share) | $ / shares 69.87
Forfeited (in dollars per share) | $ / shares 68.72
Nonvested (in dollars per share) | $ / shares $ 70.19