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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2021

Income Tax Disclosure [Abstract]

Roll-forward of Unrecognized Tax Benefits and Associated Accrued Interest and Penalties

A roll-forward of unrecognized tax benefits and associated accrued interest and penalties is as follows:

(in millions)		Unrecognized Tax Benefits				Interest and Penalties				Total
Opening balance at January 1		$	13.6			$	2.4			$	16.0
Net change for tax positions of prior periods			(0.1	)			0.1				0.0
Closing balance at March 31			13.5				2.5				16.0
Current			0.0				0.0				0.0
Non-current		$	13.5			$	2.5			$	16.0

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- References

No definition available.

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- Definition

Tabular disclosure of the change in unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 55
-Paragraph 217
-URI http://asc.fasb.org/extlink&oid=121610041&loc=d3e36027-109320

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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