Pension and Post-retirement Benefits (Details) - Pension Plan $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2023 USD ($) plan	Jun. 30, 2023 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit pension plans | plan	2
Contributions by employer	$ 2.2
United States
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit pension plans | plan	1
Contributions by employer	$ 0.6	$ 1.4
Expected future contributions for current fiscal year	3.0
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	0.2	$ 0.8
Expected future contributions for current fiscal year	$ 0.9