Net Income Per Share - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Feb. 28, 2023
Earnings Per Share [Abstract]
Antidilutive options excluded from computation of diluted net income per share (in shares)	300,000		100,000		300,000	100,000
Stock repurchase program, shares authorized (in shares)							1,000,000,000
Share purchased under share repurchase program (in shares)	509,336		492,710		1,239,015	676,070
Stock purchase program, cost of shares purchased	$ 187.1	$ 267.0	$ 173.4	$ 60.1	$ 454.1	$ 233.5
Stock repurchase program, average price per share (in dollars per share)	$ 367.48		$ 351.82		$ 366.53	$ 345.33