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Stockholders' Equity - Narrative (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Treasury stock, acquired (in shares)	0.0	1.0	0.1	17.6
Value of treasury stock acquired	$ 0.0	$ 25.0	$ 5.0	$ 591.2
Performance-based Restricted Stock Units
Accumulated Other Comprehensive Income (Loss) [Line Items]
Value of treasury stock acquired		$ 0.2	31.0	$ 46.0
February 2016 Program
Accumulated Other Comprehensive Income (Loss) [Line Items]
Remaining shares under share repurchase authorization	$ 774.5		$ 774.5

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