Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
U.S. federal	$ 22,001	$ 5,150	$ 59,292
Foreign	61,976	36,897	22,442
State and local	4,506	2,647	5,537
Total current	88,483	44,694	87,271
Deferred:
U.S. federal	2,933	11,242	135,294
Foreign	(12,243)	(4,585)	34,626
State and local	897	(127)	1,488
Total deferred	(8,413)	6,530	171,408
Total provision	80,070	51,224	258,679
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory federal income tax at 21% (21% for 2018 and 35% for 2017)	71,800	37,000	92,100
Foreign impact, net	4,500	(5,900)	(36,400)
Impact of U.S. Tax Reform Act	0	(5,700)	115,300
Change in valuation allowances	300	15,700	73,600
State and local income taxes, net	5,400	3,700	4,900
Other, net	$ (1,900)	$ 6,400	$ 9,200
Effective tax rate	23.40%	29.10%	98.40%
Foreign undistributed earnings taxes	$ 67,930	$ 70,331	$ 75,400
Deferred tax assets related to:
Retirement benefits	25,214	26,496
Net operating loss carryforwards	101,193	92,630
Compensation accruals	24,685	25,993
Inventories	33,773	25,553
Credit and capital loss carryforwards	131,744	16,056
Warranty and accrued liabilities	7,042	2,763
Bad debt reserve	30,884	28,194
Other	25,339	32,253
Total deferred tax assets	379,874	249,938
Valuation allowances	(266,414)	(133,929)
Net deferred tax assets	113,460	116,009
Deferred tax liabilities related to:
Property, plant and equipment	(26,545)	(18,773)
Goodwill and intangibles	(114,567)	(123,692)
Foreign undistributed earnings taxes	67,930	70,331	75,400
Other	(12,623)	(17,935)
Total deferred tax liabilities	221,665	230,731
Deferred tax liabilities, net	(108,205)	(114,722)
Operating loss carryforward	417,300
Net operating loss carryforwards and other deferred tax assets	134,700
Earnings before income taxes comprised:
U.S.	129,917	88,674	102,372
Foreign	211,933	87,600	160,635
Total	341,850	176,274	263,007
Reconciliation of the total gross amount of unrecognized tax benefits, excluding interest and penalities:
Balance —	41,200	51,500	59,300
Gross amount of increase (decrease) in unrecognized tax benefits resulting from tax positions taken:
During a prior year		(6,600)	(3,500)
During a prior year	8,800
During the current period	6,300	4,000	5,500
Decreases in unrecognized tax benefits relating to:
Settlements with taxing authorities	(11,400)	(2,700)	(10,800)
Lapse of the applicable statute of limitations	(3,200)	(3,700)	(3,100)
(Decrease) increase in unrecognized tax benefits relating to foreign currency translation adjustments			4,100
(Decrease) increase in unrecognized tax benefits relating to foreign currency translation adjustments	(1,100)	(1,300)
Balance —	40,600	$ 41,200	$ 51,500
Gross unrecognized tax benefits	54,200
Gross unrecognized tax benefits, accrued interest and penalties	13,600
Unrecognized tax benefits, if recognized, would favorably impact effective tax rate	53,600
Unrecognized tax benefits minimum amount of estimated reduction within the next twelve months	5,000
State and Local Jurisdiction
Deferred tax liabilities related to:
Operating loss carryforward	38,000
Foreign Tax Authority
Deferred tax liabilities related to:
Operating loss carryforward	102,600
Tax credit carryforward	29,100
Tax credit carryforward	$ 29,100