Employee Benefit Plans (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent liabilities	$ 189,954	$ 213,578
Liabilities of assets held-for-sale	$ 12,152	$ 555
Pension Plan
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rates	3.20%	2.80%	3.10%
Expected long-term rates of return on plan assets	5.90%	6.00%	6.20%
Expected long-term rates of return on plan assets for next year (as a percent)	5.60%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates	2.40%	3.20%
U.S. Plans | Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 286,027	$ 314,861
Service cost	39	42	$ 43
Interest cost	10,551	9,562	9,878
Plan participants' contributions	0	0
Amendments	0	0
Actuarial loss	20,064	(21,474)
Settlements/curtailments	0	0
Benefits paid	(15,842)	(16,964)
Effect of foreign currency	0	0
Change in benefit obligation, Acquisition	6,146
Change in benefit obligation, Infrastructure transaction		0
Benefit obligation at end of year	294,693	286,027	314,861
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	205,388	229,941
Actual return on plan assets	37,665	(17,883)
Employer contributions	8,306	10,294
Plan participants' contributions	0	0
Settlements/curtailments	0	0
Benefits paid	(15,842)	(16,964)
Effect of foreign currency	0	0
Acquisitions/divestitures	(9,249)	0
Fair value of plan assets at end of year	226,268	205,388	$ 229,941
Funded status at end of year	(68,425)	(80,639)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent assets	0	1,953
Current liabilities	1,980	1,954
Noncurrent liabilities	64,465	80,638
Liabilities of assets held-for-sale	1,980	0
Total accumulated other comprehensive loss before tax	133,806	149,326
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Net actuarial loss	133,806	149,326
Prior service cost	0	0
Total accumulated other comprehensive loss before tax	133,806	$ 149,326
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Net actuarial loss	5,085
Prior service cost	0
Total	5,085
Estimate of expected contributions in next fiscal year	11,200
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2020	25,700
2021	17,500
2022	17,600
2023	17,500
2024	17,400
2025-2029	$ 84,700
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rates	4.20%	3.50%	4.00%
Expected long-term rates of return on plan assets	7.30%	7.30%	7.30%
Expected long-term rates of return on plan assets for next year (as a percent)	7.00%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates	3.20%	4.20%
Highest yield U.S. dollar-denominated, AA-graded corporate bonds excluded from yield curve universe (as a percent)	10.00%
Lowest yield U.S. dollar-denominated, AA-graded corporate bonds excluded from yield curve universe (as a percent)	10.00%
International Plans | Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 874,679	$ 1,015,586
Service cost	1,447	1,669	$ 1,724
Interest cost	22,280	21,589	21,459
Plan participants' contributions	36	49
Amendments	1,254	11,238
Actuarial loss	93,330	(78,658)
Settlements/curtailments	(343)	(313)
Benefits paid	(37,396)	(37,721)
Effect of foreign currency	33,010	(58,760)
Change in benefit obligation, Acquisition		0
Change in benefit obligation, Infrastructure transaction	9
Benefit obligation at end of year	988,288	874,679	1,015,586
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	744,538	842,717
Actual return on plan assets	108,235	(30,004)
Employer contributions	21,121	18,415
Plan participants' contributions	36	49
Settlements/curtailments	(343)	(313)
Benefits paid	(37,217)	(37,570)
Effect of foreign currency	28,275	(48,756)
Acquisitions/divestitures	(9)	0
Fair value of plan assets at end of year	864,636	744,538	$ 842,717
Funded status at end of year	(123,652)	(130,141)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent assets	987	2,379
Current liabilities	697	643
Noncurrent liabilities	123,942	131,876
Liabilities of assets held-for-sale	0	0
Total accumulated other comprehensive loss before tax	415,781	391,849
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Net actuarial loss	408,709	384,666
Prior service cost	7,072	7,183
Total accumulated other comprehensive loss before tax	415,781	$ 391,849
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Net actuarial loss	15,137
Prior service cost	392
Total	15,529
Estimate of expected contributions in next fiscal year	22,400
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2020	38,900
2021	39,800
2022	40,200
2023	41,300
2024	42,100
2025-2029	$ 224,800
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rates	2.90%	2.60%	2.80%
Expected long-term rates of return on plan assets	5.50%	5.60%	5.90%
Expected long-term rates of return on plan assets for next year (as a percent)	5.20%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates	2.10%	2.90%