Benefit Plans (Details) - USD ($)	2 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Components of net periodic benefit cost
Contributions to qualified and non qualified pension plans				$ 27,600,000	$ 23,600,000
Benefit Plan, Plan Assets, Reimbursement from CTA				16,400,000
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Remeasurement due to Settlement		$ 82,400,000
Pension Plan [Member]
Components of net periodic benefit cost
Benefit Plan, Plan Assets, Reimbursement from CTA	$ 17,000,000.0
Other Postretirement Benefits Plan [Member]
Components of net periodic benefit cost
Service cost		0	$ 100,000	0	100,000
Interest cost		(100,000)	(100,000)	(200,000)	(500,000)
Expected return on plan assets		0	0	0	0
Recognized net actuarial loss		(100,000)	100,000	(300,000)	200,000
Net periodic pension benefit cost		0	300,000	(100,000)	800,000
Amortization of prior service cost		0	0	0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		0	0	0	0
Domestic Plan [Member] | Pension Plan [Member]
Components of net periodic benefit cost
Service cost		0	800,000	0	2,400,000
Interest cost		(4,500,000)	(4,000,000.0)	(13,000,000.0)	(11,900,000)
Expected return on plan assets		(4,300,000)	(6,400,000)	(15,900,000)	(19,100,000)
Recognized net actuarial loss		0	0	0	0
Net periodic pension benefit cost		14,700,000	600,000	14,700,000	1,900,000
Amortization of prior service cost		200,000	2,200,000	3,300,000	6,700,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		14,300,000	0	14,300,000	0
Foreign Plan [Member] | Pension Plan [Member]
Components of net periodic benefit cost
Service cost		2,400,000	2,500,000	7,100,000	7,600,000
Interest cost		(1,100,000)	(700,000)	(3,300,000)	(2,200,000)
Expected return on plan assets		(3,800,000)	(3,800,000)	(11,600,000)	(11,300,000)
Recognized net actuarial loss		(400,000)	800,000	(1,300,000)	900,000
Net periodic pension benefit cost		(800,000)	100,000	(2,800,000)	(700,000)
Amortization of prior service cost		(100,000)	(100,000)	(300,000)	(100,000)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		$ 0	$ 0	$ 0	$ 0