Taxes on Income - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Deferred Tax Assets, Net	$ 70,892	$ 86,885
Defered Tax Liabilties, Net	233,779	263,082
Operating Loss Carryforwards, Valuation Allowance	10,200
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability	15,500
Tax Cuts And Jobs Act Of 2017 Transition Tax For Accumulated Foreign Earnings Liability Installments Paid	7,000
Tax Cuts And Jobs Act Of 2017 Transition Tax For Accumulated Foreign Earnings Liability Remaining Installments	8,500
Tax Cuts And Jobs Act Of 2017 Accounting Earnings Of Foreign Subsidiary	377,400
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	10,600
Deferred Tax Assets, Partial Valuation Allowance, Net Expected Future Benefit	2,600
Operating Loss Carryforwards, State, Partial Valuation Allowance	8,000
Operating Loss Carryforwards, Foreign, Partial Valuation Allowance	2,500
Deferred Tax Assets Operating Loss Carryforwards State And Local Based On Reversal Of Deferred Tax Liabilities	$ 2,600
Deferred Tax Assets Operating Loss Carryforwards Foreign Expiration Period	10 years
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	$ 8,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	16,285	24,873
Deferred Tax Assets Tax Credit Carryforwards Foreign Expected To Expire	24,900
Deferred Tax Assets, Acquired Disallowed Interest	9,400
Unrecognized Tax Benefits	22,464	22,152	$ 19,097	$ 7,050
Unrecognized Tax Benefits, Income Tax Penalties Accrued	3,100	3,900
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	3,100	3,000
Unrecognized Tax Benefits, Income Tax Penalties Expense	500	100	(200)
Unrecognized Tax Benefits, Interest on Income Taxes Expense	300	600	200
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	2,631	3,659	1,029
Unrecognized Tax Benefits If Recognized	15,200	14,700	13,300
Valuation Allowance Amount State Deferred tax asset	500
Valuation allowance amount Other Foreign Deferred Tax Asset	600
Income Tax Reconciliation Change In Enacted Tax Rate	1,955	$ (1,059)	$ (416)
Combination And Norman Hay [Member]
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	41,800
Deferred Tax Assets, Acquired Disallowed Interest	14,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	178,000
Korea Houghton Corporation [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	$ 6,000
Business Acquisition, Percentage of Voting Interests Acquired		50.00%
Expiration In Year Five [Member]
Deferred Tax Assets Operating Loss Carryforwards State And Local Expiration Period	5 years
Expiration In Twenty Years [Member]
Deferred Tax Assets Operating Loss Carryforwards State And Local Expiration Period	20 years
Foreign Tax Authority [Member]
Defered Tax Liabilties, Net	$ 8,400