Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Operating profit (loss) from continuing operations
Net sales	$ 694.2	$ 669.9	$ 2,066.5	$ 2,060.0
Operating profit (loss)	103.8	93.2	291.9	269.4
Interest income	0.5	0.5	1.4	1.4
Interest expense	(9.2)	(9.1)	(27.5)	(28.5)
Miscellaneous - net	(0.1)	(0.3)	(0.6)	(0.2)
Income before income taxes	95.0	84.3	265.2	242.1
Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	245.1	264.7	759.1	832.2
Operating profit (loss)	30.7	29.4	91.5	96.2
Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	186.7	170.6	551.2	529.0
Operating profit (loss)	34.7	25.2	97.1	72.5
Engineered Materials
Operating profit (loss) from continuing operations
Net sales	64.2	62.9	197.0	198.4
Operating profit (loss)	11.4	12.5	38.6	39.0
Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	198.2	171.7	559.2	500.4
Operating profit (loss)	38.9	36.5	110.6	98.2
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	(11.9)	(10.4)	(45.9)	(36.5)
Commercial Valves [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	75.2	81.7	224.1	244.1
Other Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	21.8	22.6	65.9	68.8
Outside [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	245.1	264.7	759.1	832.2
Outside [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	186.7	170.6	551.2	529.0
Outside [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	64.2	62.9	197.0	198.4
Outside [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	198.2	171.7	559.2	500.4
Payment Acceptance and Dispensing Products [Member] [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	123.7	121.6	373.7	376.9
Merchandising Equipment [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	63.0	49.0	177.5	152.1
Commercial Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	88.4	87.9	270.6	263.4
Military and Other Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	63.3	36.8	152.9	103.9
Commercial Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	31.9	33.4	96.3	97.1
Military Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	14.6	13.6	39.4	36.0
FRP - Recreational Vehicles [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	32.6	31.6	99.8	105.0
FRP - Building Products [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	22.9	21.4	68.3	63.7
FRP - Transportation [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	8.7	9.9	28.9	29.7
Process Valves and Related Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	$ 148.1	$ 160.4	$ 469.1	$ 519.3