Business Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)
Segment Reporting Information [Line Items]
Net sales	$ 367,224	$ 325,130	$ 1,031,825	$ 742,209
Operating Earnings, Excluding Indirect Operating Expenses	$ 97,003	72,717	241,079	165,297
Number Of Reportable Segments	4
Reconciliation from Segment Totals to Consolidated [Abstract]
Combination, integration and other acquisition-related expenses	$ (6,913)	(14,702)	(22,786)	(23,789)
Restructuring and related charges	(1,383)	(24,045)	(3,585)	(24,045)
Fair value step up of Houghton inventory sold	0	(10,214)	(226)	(10,214)
Indefinite-lived intangible asset impairment	0	0	(38,000)	0
Non-operating and administrative expenses	(39,786)	(29,203)	(110,282)	(68,621)
Depreciation of corporate assets and amortization	(14,062)	(9,055)	(41,547)	(12,770)
Operating (loss) income	34,859	(14,502)	24,653	25,858
Other (expense) income, net	(239)	203	(22,407)	(389)
Interest expense, net	(6,837)	(6,102)	(22,109)	(7,611)
Income (loss) before taxes and equity in net income of associated companies	27,783	(20,401)	(19,863)	17,858
America's [Member]
Segment Reporting Information [Line Items]
Net sales	119,540	116,691	330,012	260,663
Operating Earnings, Excluding Indirect Operating Expenses	31,099	23,765	70,590	52,069
America's [Member] | Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net sales	1,700	2,100	7,000	4,800
EMEA [Member]
Segment Reporting Information [Line Items]
Net sales	94,005	82,369	276,546	183,806
Operating Earnings, Excluding Indirect Operating Expenses	17,439	13,303	46,269	31,034
EMEA [Member] | Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net sales	5,300	5,300	16,100	15,400
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net sales	84,877	74,266	226,850	165,234
Operating Earnings, Excluding Indirect Operating Expenses	27,304	20,404	66,106	45,375
Asia Pacific [Member] | Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net sales	200	100	500	100
Global Specialty Businesses [Member]
Segment Reporting Information [Line Items]
Net sales	68,802	51,804	198,417	132,506
Operating Earnings, Excluding Indirect Operating Expenses	21,161	15,245	58,114	36,819
Global Specialty Businesses [Member] | Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,100	$ 1,400	$ 3,400	$ 4,100