Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Asbestos-related liabilities	$ 127,000	$ 215,400
Tax loss and credit carryforwards	104,200	101,300
Pension and post-retirement benefits	41,600	74,300
Inventories	18,300	25,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	11,500	16,900
Accrued bonus and stock-based compensation	4,900	8,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Compensated Absences	4,800	7,400
Environmental reserves	8,000	12,300
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Restructuring Charges	6,400	3,000
Other	0	18,300
Total	326,700	481,900
Less: valuation allowance on non-U.S. and state deferred tax assets, tax loss and credit carryforwards	123,000	148,200
Total deferred tax assets, net	203,700	333,700
Basis difference in intangible assets	(116,900)	(147,200)
Deferred Tax Liabilities, Other	(21,500)
Basis difference in fixed assets	(6,000)	(17,600)
Total deferred tax liabilities	(144,400)	(164,800)
Net deferred tax asset	59,300	168,900
Current deferred tax assets	0	29,600
Long-term deferred tax assets	104,200	181,800
Accrued liabilities	0	(100)
Long-term deferred tax liability	$ (44,900)	$ (42,400)