Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating profit (loss) from continuing operations
Revenues	$ 855.8	$ 695.9	$ 2,505.8	$ 2,071.8
Operating profit (loss)	123.9	102.1	331.2	301.0
Interest income	0.5	0.7	1.7	1.8
Interest expense	(12.3)	(9.3)	(39.8)	(27.3)
Miscellaneous - net	5.7	3.5	13.9	9.2
Income before income taxes	117.8	97.0	307.0	284.7
Fluid Handling [Member]
Operating profit (loss) from continuing operations
Revenues	278.7	266.9	822.1	770.3
Operating profit (loss)	30.4	30.7	88.0	84.1
Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Revenues	327.4	188.6	944.2	582.3
Operating profit (loss)	57.3	40.7	139.8	121.0
Engineered Materials
Operating profit (loss) from continuing operations
Revenues	60.2	68.4	192.5	212.7
Operating profit (loss)	8.7	12.2	32.4	39.4
Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Revenues	189.5	172.0	547.0	506.5
Operating profit (loss)	42.5	35.5	120.0	104.9
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	(15.0)	(17.0)	(49.0)	(48.4)
Commercial Valves [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Revenues	86.2	85.7	245.9	230.2
Other Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Revenues	23.8	23.5	67.2	67.9
Outside [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Revenues	278.7	266.9	822.1	770.3
Outside [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Revenues	327.4	188.6	944.2	582.3
Outside [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Revenues	60.2	68.4	192.5	212.7
Outside [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Revenues	189.5	172.0	547.0	506.5
Payment Acceptance and Dispensing Products [Member] [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Revenues	144.9	136.7	445.7	431.1
Bank Notes and Security Products [Domain] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Revenues	126.7	0.0	348.1	0.0
Merchandising Equipment [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Revenues	55.8	51.9	150.4	151.2
Commercial Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Revenues	85.2	90.1	256.0	259.9
Military and Other Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Revenues	51.5	37.4	142.2	116.3
Commercial Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Revenues	38.8	32.3	109.0	96.0
Military Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Revenues	14.0	12.2	39.8	34.3
FRP - Recreational Vehicles [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Revenues	28.4	37.2	96.9	116.9
FRP - Building Products [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Revenues	23.5	23.7	70.7	72.1
FRP - Transportation [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Revenues	8.3	7.5	24.9	23.7
Process Valves and Related Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Revenues	$ 168.7	$ 157.7	$ 509.0	$ 472.2