Senior Notes (Details) - Senior Notes - USD ($)	Dec. 17, 2021	Dec. 06, 2019	May 08, 2018	Dec. 31, 2024	Sep. 30, 2024
Debt Instrument [Line Items]
Long-Term Debt, Fair Value				$ 1,247,375,000	$ 1,263,500,000
Carrying value of Senior Notes				1,300,000,000	1,300,000,000
May 2018 Senior Notes
Debt Instrument [Line Items]
Senior Notes issued in a private placement to a group of institutional investors			$ 400,000,000
Debt Instrument, Interest Rate, Stated Percentage			5.25%
Debt instrument, maturity date			May 15, 2026
Long-Term Debt, Fair Value				398,000,000	399,500,000
Carrying value of Senior Notes				400,000,000	400,000,000
Senior Notes December 2019
Debt Instrument [Line Items]
Senior Notes issued in a private placement to a group of institutional investors		$ 350,000,000
Debt Instrument, Interest Rate, Stated Percentage		4.00%
Debt instrument, maturity date		Jun. 15, 2028
Senior Notes December 2021
Debt Instrument [Line Items]
Senior Notes issued in a private placement to a group of institutional investors	$ 550,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Debt instrument, maturity date	Jun. 15, 2028
Dec 2019 and 2021 Senior Notes
Debt Instrument [Line Items]
Long-Term Debt, Fair Value				849,375,000	864,000,000
Carrying value of Senior Notes				$ 900,000,000	$ 900,000,000