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Equity (Tables)

12 Months Ended

Dec. 31, 2021

Equity

Schedule of accumulated other comprehensive loss

​

​	​	​	​	​	​	​	​	​
​	Foreign Currency		​	Postretirement Benefit		​	Accumulated Other
​	Translation		​	Plan Adjustments,		​	Comprehensive
​	Loss			Net of Tax			(Loss) Income
​	​	​	​	(in millions)		​	​	​
Balance as of January 1, 2021	$	(52.7)	​	$	(25.2)	​	$	(77.9)
Current-year change	​	(2.5)	​	​	11.5	​	​	9.0
Balance as of December 31, 2021	$	(55.2)	​	$	(13.7)	​	$	(68.9)

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- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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- References

No definition available.

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