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EQUITY (Tables)

12 Months Ended

Dec. 31, 2021

EQUITY

Summary of repurchased shares of the company's common stock under the share repurchase program

​

​	​	​	​	​	​	​	​	​
​	​		​	Average Repurchase		​	Amount of Repurchases
​	Shares Repurchased		​	Price Per Share		​	(in millions)
2021	​	​	​	​	​	​	​	​
Fourth quarter	​	—	​	$	—	​	$	—
Third quarter		—	​	​	—	​	​	—
Second quarter		331,373	​	​	101.57	​	​	33.7
First quarter		490,632	​	​	96.97	​	​	47.6
Total open market common stock repurchases		822,005	​	​	​	​	​	81.3
​	​	​	​	​	​	​	​	​
2020		​	​	​	​	​	​	​
Fourth quarter	​	1,013,709	​	$	86.79	​	$	88.0
Third quarter		465,366	​	​	89.92	​	​	41.8
Second quarter	​	992,159	​	​	100.54	​	​	99.8
First quarter	​	1,062,881	​	​	112.46	​	​	119.5
Total open market common stock repurchases	​	3,534,115	​	​	​	​	​	349.1
​	​	​	​	​	​	​	​	​
2019	​	​	​	​	​	​	​	​
Fourth quarter	​	600,442	​	$	115.76	​	$	69.5
Third quarter	​	453,319	​	​	115.49	​	​	52.4
Second quarter	​	100	​	​	104.75	​	​	0.01
First quarter	​	366,793	​	​	95.36	​	​	35.0
Total open market common stock repurchases	​	1,420,654	​	​	​	​	​	156.9

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- Definition

Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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