Share-Based Compensation Plans	6 Months Ended
Jun. 30, 2021
Share-Based Compensation Plans [Abstract]
Share-Based Compensation Plans	14. SHARE-BASED COMPENSATION PLANS For the three months ended June 30, 2021, a total of 2,275 restricted stock awards were granted: 2,275 restricted share awards were granted on May 12, 2021 with a fair value of $264.845 per share. For the six months ended June 30, 2021, a total of 207,541 restricted stock awards were granted: 194,610, 10,656 and 2,275 restricted share awards were granted on February 23, 2021, February 24, 2021 and May 12, 2021, with a fair value of $242.24 per share, $244.445 per share and $264.845 per share, respectively. Additionally, 22,205 performance share unit awards were granted on February 23, 2021, with a fair value of $242.24 per unit.

Share-Based Compensation Plans

6 Months Ended

Jun. 30, 2021

Share-Based Compensation Plans [Abstract]

14. SHARE-BASED COMPENSATION PLANS

For the three months ended June 30, 2021, a total of 2,275 restricted stock awards were granted: 2,275 restricted share awards were granted on May 12, 2021 with a fair value of $264.845 per share.

For the six months ended June 30, 2021, a total of 207,541 restricted stock awards were granted: 194,610, 10,656 and 2,275 restricted share awards were granted on February 23, 2021, February 24, 2021 and May 12, 2021, with a fair value of $242.24 per share, $244.445 per share and $264.845 per share, respectively. Additionally, 22,205 performance share unit awards were granted on February 23, 2021, with a fair value of $242.24 per unit.