Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Asbestos-related liabilities	$ 150.3	$ 158.4
Tax loss and credit carryforwards	124.5	120.7
Pension and post-retirement benefits	66.0	56.9
Inventories	29.8	26.0
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	41.4	46.6
Total	412.0	408.6
Less: valuation allowance on non-U.S. and state deferred tax assets, tax loss and credit carryforwards	153.4	150.0
Total deferred tax assets, net	258.6	258.6
Basis difference in fixed assets	(60.6)	(58.7)
Basis difference in intangible assets	(212.7)	(195.4)
Deferred Tax Liabilities, Other	24.0	25.2
Deferred Tax Liabilities, Gross	(297.3)	(279.3)
Total deferred tax liabilities	(38.7)	(20.7)
Long-term deferred tax assets	14.9	35.1
Long-term deferred tax liability	$ (53.6)	$ (55.8)