Subsequent Events (Details) - USD ($) $ in Millions	May 05, 2023	Jan. 20, 2022	May 07, 2020	Jan. 13, 2021	Apr. 26, 2019
Subsequent Event [Line Items]
IRS notice of proposed adjustment amount from 2011,2012 and 2013 audit of Athena, including penalty					$ 843.0
IRS notice of proposed adjustment, penalty (percent)					40.00%
Income tax examination, debts subject to limit of deductibility of interest expense				$ 7,500.0
Interest rate cap on debts for U.S. Federal tax purposes, as percent of Applicable Federal Rate			130.00%
Income tax examination, reduction in blended interest rate due to cap for U.S. Federal tax purposes			4.00%
IRS notice of proposed audit adjustment to reduce deductible interest expense for fiscal years 2014 and 2015			$ 414.7
Blended interest rate proposed on debts		4.36%
Blended interest rate in revenue agent report		2.57%
Stated blended interest rate		6.80%
Subsequent Event
Subsequent Event [Line Items]
Blended interest rate proposed on debts	5.44%
Interest expense	$ (153.4)