Segment Information (Financial Information By Reportable Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net sales	$ 3,374.9	$ 3,408.0	$ 2,936.9
Operating profit	369.5	529.2	262.9
Capital expenditures:	58.4	53.9	34.1
Depreciation and amortization	118.9	121.1	127.5
Goodwill	1,527.5	1,583.8	1,609.0
Assets:	4,390.2	4,486.6
Non-cash loss on divestiture of asbestos-related assets and liabilities	(162.4)
Restructuring charges	10.4	(16.9)	32.3
Business combination, integration related costs	0.0	0.0	12.9
Corporate
Segment Reporting Information [Line Items]
Operating profit	(284.7)	(97.7)	(58.8)
Capital expenditures:	0.1	0.2	0.1
Depreciation and amortization	1.3	1.5	2.1
Assets:	317.7	324.5
Aerospace & Electronics
Segment Reporting Information [Line Items]
Net sales	667.3	638.3	650.7
Operating profit	120.3	110.0	100.7
Capital expenditures:	9.3	14.1	9.8
Depreciation and amortization	14.1	14.7	14.2
Goodwill	202.3	202.5	202.5
Assets:	663.3	604.7
Restructuring charges	1.5	0.0	6.5
Process Flow Technologies
Segment Reporting Information [Line Items]
Net sales	1,109.4	1,196.6	1,005.8
Operating profit	168.2	182.5	97.7
Capital expenditures:	23.9	18.8	13.7
Depreciation and amortization	19.5	22.0	21.6
Goodwill	317.3	349.4	360.0
Assets:	1,064.7	1,240.4
Restructuring charges	2.3	(13.2)	6.1
Payment & Merchandising Technologies
Segment Reporting Information [Line Items]
Net sales	1,339.9	1,345.1	1,104.8
Operating profit	333.1	307.5	100.6
Capital expenditures:	21.3	18.6	9.3
Depreciation and amortization	78.2	81.3	85.9
Goodwill	836.6	860.6	875.2
Assets:	2,125.9	2,096.5
Restructuring charges	6.2	(3.7)	19.1
Engineered Materials
Segment Reporting Information [Line Items]
Net sales	258.3	228.0	175.6
Operating profit	32.6	26.9	22.7
Capital expenditures:	3.8	2.2	1.2
Depreciation and amortization	5.8	1.6	3.7
Goodwill	171.3	171.3	171.3
Assets:	218.6	$ 220.5
Restructuring charges	$ 0.4		$ 0.6