Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Asbestos-related liabilities	$ 110,000	$ 127,000
Tax loss and credit carryforwards	124,800	104,200
Pension and post-retirement benefits	50,200	41,600
Inventories	20,800	18,300
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	11,500	11,500
Accrued bonus and stock-based compensation	5,800	4,900
DeferredTaxAssets, insurance	3,100	2,900
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Compensated Absences	6,200	4,800
Environmental reserves	6,200	8,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Restructuring Charges	3,000	6,400
Total	341,600	329,600
Less: valuation allowance on non-U.S. and state deferred tax assets, tax loss and credit carryforwards	124,300	123,000
Total deferred tax assets, net	217,300	206,600
Basis difference in intangible assets	(176,000)	(116,900)
Deferred Tax Liabilities, Other	(22,000)	(24,400)
Deferred Tax Liabilities, Gross, Current	251,700
Basis difference in fixed assets	(53,700)	(6,000)
Total deferred tax liabilities	(34,400)	(147,300)
Net deferred tax asset		59,300
Long-term deferred tax assets	18,800	104,200
Long-term deferred tax liability	$ (53,200)	$ (44,900)