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Earnings per share attributable to stockholders (Tables)

12 Months Ended

Dec. 31, 2021

Earnings per share attributable to stockholders

Computation of Basic and Diluted Earnings Per Share

​

​	​	​	​	​	​	​	​	​	​
​	​	​	Net income		​	WA	​	Per
​			attributable to			number		share
Year ended December 31, 2021			stockholders			of shares		amount
Basic	​	​	$	151,868		110,315,782	​	$	1.38
Effect of dilutive securities:	​	​		​		​	​		​
Share units	​	​		—		388,083	​		(0.01)
Stock options	​	​		—		702,965	​		(0.01)
Diluted	​	​	$	151,868		111,406,830	​	$	1.36

​

​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​
​	​	​	Net income		​	WA	​	Per
​			attributable to			number		share
Year ended December 31, 2020			stockholders			of shares		amount
Basic	​	​	$	170,095		109,054,493	​	$	1.56
Effect of dilutive securities:	​	​		​		​	​
Share units	​	​		—		541,054	​		(0.01)
Stock options	​	​		—		715,437	​		(0.01)
Diluted	​	​	$	170,095		110,310,984	​	$	1.54

​

​	​	​	​	​	​	​	​	​	​
​		​	Net income			WA		​	​
​	​	​	attributable to		​	number	​	Per share
Year ended December 31, 2019	​	​	stockholders		​	of shares	​	amount
Basic	​	​	$	149,039		108,519,739	​	$	1.37
Effect of dilutive securities:	​	​					​
Share units	​	​		—		458,763	​		—
Stock options	​	​		—		780,621	​		(0.01)
Diluted	​	​	$	149,039		109,759,123	​	$	1.36

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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