Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Operating profit (loss) from continuing operations
Net sales	$ 712.2	$ 711.2	$ 1,372.2	$ 1,390.0
Operating profit (loss)	102.6	90.2	188.1	176.2
Interest income	0.5	0.5	1.0	1.0
Interest expense	(9.2)	(9.5)	(18.3)	(19.4)
Miscellaneous - net	(0.3)	0.4	(0.6)	0.0
Income before income taxes	93.6	81.5	170.2	157.8
Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	265.9	291.8	513.9	567.3
Operating profit (loss)	35.4	32.5	60.8	66.8
Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	192.6	186.5	364.5	358.4
Operating profit (loss)	34.5	26.1	62.5	47.3
Engineered Materials
Operating profit (loss) from continuing operations
Net sales	64.5	65.8	132.8	135.5
Operating profit (loss)	13.5	12.2	27.2	26.4
Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	189.2	167.1	361.0	328.7
Operating profit (loss)	38.6	31.7	71.7	61.7
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	(19.4)	(12.3)	(34.1)	(26.1)
Commercial Valves [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	76.5	82.9	148.9	162.5
Other Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	23.5	26.0	44.0	46.2
Outside [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	265.9	291.8	513.9	567.3
Outside [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	192.6	186.5	364.5	358.4
Outside [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	64.5	65.8	132.8	135.5
Outside [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	189.2	167.1	361.0	328.7
Payment Acceptance and Dispensing Products [Member] [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	132.4	131.4	249.9	255.3
Merchandising Equipment [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	60.2	55.1	114.6	103.1
Commercial Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	92.1	89.0	182.1	175.5
Military and Other Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	49.0	34.0	89.6	67.1
Commercial Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	34.0	32.0	64.4	63.7
Military Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	14.1	12.1	24.8	22.4
FRP - Recreational Vehicles [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	32.1	34.5	67.2	73.4
FRP - Building Products [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	22.9	21.1	45.4	42.3
FRP - Transportation [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	9.5	10.2	20.2	19.8
Process Valves and Related Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	$ 165.9	$ 182.9	$ 321.0	$ 358.6