Stockholders' Equity - Share Repurchase (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2023	Oct. 01, 2023	Nov. 04, 2022
Stockholders' Equity Note [Abstract]
Stock repurchase program, authorized amount			$ 1,500.0
Stock repurchased and retired during period, shares (in shares)	2.3
Payments for repurchase of common stock, excluding fees, commissions, and excise tax	$ 112.9
Stock repurchase program, remaining authorized repurchase amount		$ 661.5
Exercise tax related to share repurchases	$ 1.0