Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Asbestos-related liabilities	$ 215,400	$ 162,700
Tax loss and credit carryforwards	101,300	105,600
Pension and post-retirement benefits	74,300	69,100
Inventories	25,000	23,500
Accrued bonus and stock-based compensation	16,900	17,100
Environmental reserves	12,300	16,000
Other	36,700	55,300
Total	481,900	449,300
Less: valuation allowance on non-U.S. and state deferred tax assets, tax loss and credit carryforwards	148,200	145,900
Total deferred tax assets, net	333,700	303,400
Basis difference in intangible assets	(147,200)	(142,200)
Basis difference in fixed assets	(17,600)	(21,500)
Total deferred tax liabilities	(164,800)	(163,700)
Net deferred tax asset	168,900	139,700
Current deferred tax assets	29,600	27,500
Long-term deferred tax assets	181,800	162,400
Accrued liabilities	(100)	(200)
Long-term deferred tax liability	$ (42,400)	$ (50,000)