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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 173.4	$ 109.6
Other comprehensive income (loss), net of income tax:
Foreign currency translation adjustments	19.8	(26.5)
Unrealized holding losses on financial investments	(0.9)
Post-retirement benefit obligations	(0.1)
Comprehensive income	192.2	83.1
Comprehensive income allocated to participating securities	(0.8)	(0.4)
Comprehensive income allocated to common stockholders, net of income tax	$ 191.4	$ 82.7

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