Debt - Narrative (Details) $ in Millions	6 Months Ended
	Dec. 31, 2023 USD ($) note
Debt Instrument [Line Items]
Number of fixed rate notes issued | note	3
Aggregate principal amount	$ 3,000.0
Fair value of notes issued	$ 2,716.4
Notes due on 2028
Debt Instrument [Line Items]
Debt instrument, term	7 years
Notes due on 2025 an 2030
Debt Instrument [Line Items]
Debt instrument, term	10 years