Retirement Benefit Plans - Changes in Benefit Obligations and Plan Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in fair value of plan assets and net accrued liabilities:
Fair value of plan assets at beginning of year	$ 0
Fair value of plan assets at end of year		$ 0
Postretirement Medical Benefits
Change in benefit obligation:
Benefit obligation at beginning of year	5,400,000	7,000,000.0	$ 7,300,000
Plan combinations	0	0
Service cost	0	100,000	100,000
Interest cost	200,000	100,000	200,000
Actuarial (gain) loss	(1,100,000)	600,000
Foreign exchange	0	0
Settlement	0	0
Benefits paid	(700,000)	(1,100,000)
Benefit obligation at end of year	5,400,000	7,000,000.0	7,300,000
Change in fair value of plan assets and net accrued liabilities:
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	700,000	1,000,000.0
Foreign exchange	0	0
Settlement	0	0
Benefits paid	(700,000)	(1,000,000.0)
Fair value of plan assets at end of year	0	0	0
Funded status at end of year	(5,400,000)	(7,000,000.0)
Noncurrent other assets	0	0
Current liabilities	(700,000)	(700,000)
Long-term liabilities	(4,700,000)	(6,300,000)
Net accrued liability	(5,400,000)	(7,000,000.0)
Prior service cost	0	0
Net actuarial (loss) gain	1,300,000	200,000
Accumulated other comprehensive (loss) income	1,300,000	200,000
UNITED STATES | Pension Plan
Change in benefit obligation:
Service cost	0	0	0
Interest cost	0	100,000	0
UNITED STATES | U.S. Nonqualified Plan
Change in benefit obligation:
Benefit obligation at beginning of year	900,000	1,100,000	1,200,000
Plan combinations	0	0
Service cost	0	0
Interest cost	0	100,000
Actuarial (gain) loss	(100,000)	0
Foreign exchange	0	0
Settlement	0	0
Benefits paid	(100,000)	(200,000)
Benefit obligation at end of year	900,000	1,100,000	1,200,000
Change in fair value of plan assets and net accrued liabilities:
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	100,000	100,000
Foreign exchange	0	0
Settlement	0	0
Benefits paid	(100,000)	(100,000)
Fair value of plan assets at end of year	0	0	0
Funded status at end of year	(900,000)	(1,100,000)
Noncurrent other assets	0	0
Current liabilities	(100,000)	(100,000)
Long-term liabilities	(800,000)	(1,000,000.0)
Net accrued liability	(900,000)	(1,100,000)
Prior service cost	0	0
Net actuarial (loss) gain	(700,000)	(900,000)
Accumulated other comprehensive (loss) income	(700,000)	(900,000)
Non-U.S. Plan | Pension Plan
Change in benefit obligation:
Benefit obligation at beginning of year	10,300,000	16,200,000	17,600,000
Plan combinations	1,000,000.0	0
Service cost	300,000	0	0
Interest cost	200,000	200,000	200,000
Actuarial (gain) loss	(5,100,000)	(600,000)
Foreign exchange	(1,600,000)	(400,000)
Settlement	0	(300,000)
Benefits paid	(700,000)	(300,000)
Benefit obligation at end of year	10,300,000	16,200,000	17,600,000
Change in fair value of plan assets and net accrued liabilities:
Fair value of plan assets at beginning of year	12,900,000	13,300,000
Actual return on plan assets	100,000	(400,000)
Employer contributions	400,000	800,000
Foreign exchange	(1,400,000)	(200,000)
Settlement	0	(300,000)
Benefits paid	(700,000)	(300,000)
Fair value of plan assets at end of year	11,300,000	12,900,000	$ 13,300,000
Funded status at end of year	1,000,000.0	(3,300,000)
Noncurrent other assets	4,800,000	1,400,000
Current liabilities	(200,000)	(200,000)
Long-term liabilities	(3,600,000)	(4,500,000)
Net accrued liability	1,000,000.0	(3,300,000)
Prior service cost	(100,000)	(200,000)
Net actuarial (loss) gain	2,800,000	(2,100,000)
Accumulated other comprehensive (loss) income	$ 2,700,000	$ (2,300,000)