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Share-Based Compensation Plans	3 Months Ended
	Mar. 31, 2021
Share-Based Compensation Plans [Abstract]
Share-Based Compensation Plans	14. SHARE-BASED COMPENSATION PLANS For the three months ended March 31, 2021, a total of 205,266 restricted stock awards were granted: 194,610 and 10,656 restricted share awards were granted on February 23, 2021 and February 24, 2021, with a fair value of $242.24 per share and $244.445 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.

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- Definition

The entire disclosure for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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- References

No definition available.

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