Segment Information (Schedule Of Financial Information By Reportable Segment) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Business Combination, Integration Related Costs									$ 0	$ 7,200,000	$ 9,800,000
Net sales	$ 681,600,000	$ 694,200,000	$ 712,200,000	$ 660,000,000	$ 680,600,000	$ 669,900,000	$ 711,200,000	$ 678,800,000	2,748,000,000	2,740,500,000	2,925,000,000
Operating profit (loss)	(91,600,000)	$ 103,800,000	$ 102,600,000	$ 85,500,000	103,500,000	$ 93,200,000	$ 90,200,000	$ 86,000,000	200,300,000	372,900,000	316,300,000
Assets	3,428,000,000				3,336,900,000				3,428,000,000	3,336,900,000	3,445,500,000
Goodwill	1,149,200,000				1,167,900,000				1,149,200,000	1,167,900,000	1,191,300,000
Capital expenditures									51,500,000	39,600,000	43,700,000	$ 43,700,000
Depreciation and amortization									67,400,000	67,000,000	75,800,000	$ 75,800,000
Restructuring charges									0	7,800,000	29,200,000
Corporate Expense Asbestos Charge [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)									(192,400,000)
Aerospace And Electronics [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)									149,800,000	145,100,000	138,200,000
Assets	555,500,000				559,400,000				555,500,000	559,400,000	512,100,000
Goodwill	202,300,000				202,600,000				202,300,000	202,600,000	202,700,000
Capital expenditures									28,700,000	16,200,000	14,900,000
Depreciation and amortization									11,700,000	11,300,000	11,800,000
Engineered Materials [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)									49,000,000	48,400,000	36,800,000
Assets	224,700,000				227,600,000				224,700,000	227,600,000	229,100,000
Goodwill	171,300,000				171,400,000				171,300,000	171,400,000	171,500,000
Capital expenditures									3,500,000	3,300,000	2,800,000
Depreciation and amortization									6,100,000	6,200,000	6,000,000
Fluid Handling [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)									119,500,000	125,400,000	181,600,000
Assets	845,900,000				888,000,000				845,900,000	888,000,000	963,200,000
Goodwill	212,300,000				218,700,000				212,300,000	218,700,000	227,300,000
Capital expenditures									10,300,000	10,000,000	14,000,000
Depreciation and amortization									10,800,000	12,600,000	14,500,000
Payment and Merchandising Technologies [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)									135,500,000	101,400,000	69,100,000
Assets	1,188,900,000				1,178,000,000				1,188,900,000	1,178,000,000	1,210,100,000
Goodwill	$ 563,300,000				$ 575,200,000				563,300,000	575,200,000	589,900,000
Capital expenditures									8,700,000	9,800,000	11,400,000
Depreciation and amortization									33,900,000	34,500,000	41,600,000
Outside [Member] | Aerospace And Electronics [Member]
Segment Reporting Information [Line Items]
Net sales									745,700,000	691,300,000	696,000,000
Outside [Member] | Engineered Materials [Member]
Segment Reporting Information [Line Items]
Net sales									257,000,000	254,800,000	253,300,000
Outside [Member] | Fluid Handling [Member]
Segment Reporting Information [Line Items]
Net sales									999,500,000	1,091,300,000	1,263,700,000
Outside [Member] | Payment and Merchandising Technologies [Member]
Segment Reporting Information [Line Items]
Net sales									745,800,000	$ 703,000,000	712,000,000
Environmental Claims For Site In Goodyear Arizona [Member] | Corporation [Member]
Segment Reporting Information [Line Items]
Loss Contingency, Damages Paid, Value									$ 5,000,000		$ 6,500,000