Pensions and Other Postretirement Benefits (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2023 USD ($) Plan	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Included in other assets		$ 3,929	$ 4,715
Included in Payroll and related expenses		(9,523)	(14,368)
Accrued pension and other postretirement costs		(195,503)	(187,092)
Total actuarial items	[1]	24,330	15,173
Components of actuarial items [Abstract]
Total actuarial items	[1]	$ 24,330	15,173
Other postretirement benefits [Abstract]
Number of unfunded non-pension postretirement plans | Plan		2
Number of European subsidiaries with unfunded non-pension postretirement plans | Plan		2
Other retirement obligations [Abstract]
Company's matching expense for 401(k) savings plans		$ 7,641	7,083	$ 6,557
Deferred Compensation [Member]
Defined benefit pension plans [Abstract]
Assets held in trust		28,838	28,535
Non-qualified Pension Plans [Member]
Defined benefit pension plans [Abstract]
Assets held in trust		21,095	20,615
Defined Benefit Pension [Member] | U.S. Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year		37,221	45,613
Service cost		0	0	0
Interest cost		1,997	1,122	1,016
Plan amendments		0	0
Actuarial (gains) losses		(272)	(7,668)
Benefits paid		(8,255)	(1,846)
Curtailments and settlements		0	0
Currency translation		0	0
Benefit obligation at end of year		30,691	37,221	45,613
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year		0	0
Actual return on plan assets		0	0
Company contributions		8,255	1,846
Benefits paid		(8,255)	(1,846)
Currency translation		0	0
Fair value of plan assets at end of year		0	0	0
Funded status at end of year		(30,691)	(37,221)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Included in other assets		0	0
Included in Payroll and related expenses		(1,474)	(6,378)
Accrued pension and other postretirement costs		(29,217)	(30,843)
Total actuarial items		(522)	69
Total		(31,213)	(37,152)
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)		(588)	(140)
Unamortized prior service cost		66	209
Total actuarial items		(522)	69
Projected and accumulated benefit obligations [Abstract]
Accumulated benefit obligation, all plans		30,691	37,221
Plans for which the accumulated benefit obligation exceeds plan assets [Abstract]
Projected benefit obligation		30,691	37,221
Accumulated benefit obligation		30,691	37,221
Fair value of plan assets		0	0
Components of net periodic pension cost [Abstract]
Net service cost		0	0	0
Interest cost		1,997	1,122	1,016
Expected return on plan assets		0	0	0
Amortization of actuarial losses		175	1,523	2,032
Amortization of prior service (credit) cost		144	144	144
Curtailment and settlement losses		0	0	0
Net periodic benefit cost (benefit)		$ 2,316	$ 2,789	3,192
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate		5.25%	5.50%
Rate of compensation increase		0.00%	0.00%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate		5.50%	2.50%
Rate of compensation increase		0.00%	0.00%
Expected return on plan assets		0.00%	0.00%
Estimated future benefit payments [Abstract]
2024		$ 3,347
2025		3,301
2026		1,941
2027		8,306
2028		3,198
2029-2033		9,415
Defined Benefit Pension [Member] | Non-U.S. Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year		203,541	$ 278,173
Service cost		3,063	4,199	4,693
Interest cost		7,346	3,200	2,968
Plan amendments		(15)	79
Actuarial (gains) losses		8,835	(45,102)
Benefits paid		(17,160)	(16,777)
Curtailments and settlements		(27)	0
Currency translation		5,200	(20,231)
Benefit obligation at end of year		210,783	203,541	278,173
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year		65,620	75,920
Actual return on plan assets		1,976	790
Company contributions		12,161	13,212
Benefits paid		(17,160)	(16,777)
Currency translation		690	(7,525)
Fair value of plan assets at end of year		63,287	65,620	75,920
Funded status at end of year		(147,496)	(137,921)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Included in other assets		3,929	4,715
Included in Payroll and related expenses		(7,149)	(6,827)
Accrued pension and other postretirement costs		(144,276)	(135,809)
Total actuarial items		24,891	16,392
Total		(122,605)	(121,529)
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)		24,094	15,628
Unamortized prior service cost		797	764
Total actuarial items		24,891	16,392
Projected and accumulated benefit obligations [Abstract]
Accumulated benefit obligation, all plans		194,361	176,056
Plans for which the accumulated benefit obligation exceeds plan assets [Abstract]
Projected benefit obligation		146,898	181,207
Accumulated benefit obligation		144,213	159,433
Fair value of plan assets		3,032	38,854
Components of net periodic pension cost [Abstract]
Net service cost		3,063	4,199	4,693
Interest cost		7,346	3,200	2,968
Expected return on plan assets		(2,270)	(1,725)	(1,660)
Amortization of actuarial losses		345	4,760	7,444
Amortization of prior service (credit) cost		195	216	189
Curtailment and settlement losses		546	1,190	632
Net periodic benefit cost (benefit)		$ 9,225	$ 11,840	14,266
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate		3.36%	3.57%
Rate of compensation increase		3.12%	2.60%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate		3.57%	1.19%
Rate of compensation increase		2.60%	2.07%
Expected return on plan assets		4.11%	2.96%
Estimated future benefit payments [Abstract]
2024		$ 14,897
2025		15,450
2026		17,775
2027		14,830
2028		14,744
2029-2033		74,939
Other Postretirement Benefits [Member] | U.S. Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year		4,328	$ 7,611
Service cost		21	39	102
Interest cost		225	178	163
Actuarial (gains) losses		183	(2,525)
Benefits paid		(497)	(975)
Currency translation		0	0
Benefit obligation at end of year		4,260	4,328	7,611
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year		0
Fair value of plan assets at end of year		0	0
Funded status at end of year		(4,260)	(4,328)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Included in Payroll and related expenses		(510)	(497)
Accrued pension and other postretirement costs		(3,750)	(3,831)
Total actuarial items		(1,527)	(2,031)
Total		(5,787)	(6,359)
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)		(1,527)	(2,031)
Total actuarial items		(1,527)	(2,031)
Components of net periodic pension cost [Abstract]
Net service cost		21	39	102
Interest cost		225	178	163
Amortization of actuarial losses		(321)	342	53
Curtailment and settlement losses		0	0	0
Net periodic benefit cost (benefit)		$ (75)	$ 559	318
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate		5.25%	5.50%
Rate of compensation increase		0.00%	0.00%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate		5.50%	2.50%
Rate of compensation increase		0.00%	0.00%
Estimated future benefit payments [Abstract]
2024		$ 510
2025		499
2026		467
2027		452
2028		416
2029-2033		1,594
Other Postretirement Benefits [Member] | Non-U.S. Plans [Member]
Change in benefit obligation [Roll forward]
Benefit obligation at beginning of year		6,715	$ 7,782
Service cost		221	237	278
Interest cost		251	55	42
Actuarial (gains) losses		801	(749)
Benefits paid		(681)	(147)
Currency translation		256	(463)
Benefit obligation at end of year		7,563	6,715	7,782
Change in plan assets [Roll forward]
Fair value of plan assets at beginning of year		0
Fair value of plan assets at end of year		0	0
Funded status at end of year		(7,563)	(6,715)
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Included in Payroll and related expenses		(390)	(666)
Accrued pension and other postretirement costs		(7,173)	(6,049)
Total actuarial items		1,488	743
Total		(6,075)	(5,972)
Components of actuarial items [Abstract]
Unrecognized net actuarial loss (gain)		1,488	743
Total actuarial items		1,488	743
Components of net periodic pension cost [Abstract]
Net service cost		221	237	278
Interest cost		251	55	42
Amortization of actuarial losses		8	85	116
Curtailment and settlement losses		89	0	67
Net periodic benefit cost (benefit)		$ 569	$ 377	$ 503
Weighted average assumptions used to calculate benefit obligations [Abstract]
Discount rate		3.40%	3.86%
Rate of compensation increase		4.00%	4.19%
Weighted average assumptions used calculating net periodic benefit cost [Abstract]
Discount rate		3.86%	0.80%
Rate of compensation increase		4.19%	2.88%
Estimated future benefit payments [Abstract]
2024		$ 390
2025		621
2026		205
2027		1,525
2028		785
2029-2033		4,897
Other Retirement Obligations [Member]
Amounts recognized in balance sheet associated with retirement benefit plans [Abstract]
Accrued pension and other postretirement costs		(11,087)	$ (10,560)
Dr. Felix Zandman [Member] | Non-qualified Pension Plans [Member]
Defined benefit pension plans [Abstract]
Assets held in trust		445	$ 1,023
Deferred compensation arrangement, annual retirement benefit to surviving spouse		$ 614

[1] Amounts included in accumulated other comprehensive loss are presented in this table pre-tax