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6. Accumulated Other Comprehensive Income 6. Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2022

Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated other comprehensive income included in our condensed consolidated balance sheets consists of the following components (in millions):

			Foreign currency translation adjustments			Foreign other post-employment benefits adjustments			Net unrealized holding gains on available-for-sale investments			Total accumulated other comprehensive income (loss)
Balances as of January 1, 2022:			$	(170.5)		$	(10.9)		$	5.8		$	(175.6)
Other comprehensive income (loss), before reclassifications			(348.2)			0.7			(14.4)			(361.9)
Amounts reclassified from Accumulated other comprehensive income (loss)			—			0.1			0.4			0.5
Income tax effects			0.6			(0.3)			3.3			3.6
Other comprehensive income (loss), net of income taxes			(347.6)			0.5			(10.7)			(357.8)
Balances as of June 30, 2022:			$	(518.1)		$	(10.4)		$	(4.9)		$	(533.4)

			Foreign currency translation adjustments			Foreign other post-employment benefits adjustments			Net unrealized holding gains on available-for-sale investments			Total accumulated other comprehensive income (loss)
Balances as of January 1, 2021:			$	298.6		$	(26.0)		$	9.8		$	282.4
Other comprehensive income (loss), before reclassifications			(158.4)			1.3			(2.0)			(159.1)
Amounts reclassified from Accumulated other comprehensive income (loss)			—			1.6			(0.1)			1.5
Income tax effects			0.2			(0.3)			0.5			0.4
Other comprehensive income (loss), net of income taxes			(158.2)			2.6			(1.6)			(157.2)
Balances as of June 30, 2021:			$	140.4		$	(23.4)		$	8.2		$	125.2

Reclassification Out of Accumulated Other Comprehensive Income [Table Text Block]

						Three Months Ended												Six Months Ended
						June 30,												June 30,
Components of comprehensive income (loss)						2022						2021						2022						2021
Amortization of foreign other post-employment benefit items						$	(0.1)					$	(1.1)					$	(0.1)					$	(1.6)
Net holding gains on equity securities and available-for-sale investments						$	(0.4)					$	—					$	(0.4)					$	0.1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).

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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 https://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 https://asc.fasb.org/extlink&oid=126968391&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 https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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