Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating profit (loss) from continuing operations
Net sales	$ 660.0	$ 678.8
Operating profit (loss)	85.5	86.0
Interest income	0.5	0.5
Interest expense	(9.1)	(9.9)
Miscellaneous - net	(0.3)	(0.3)
Income before income taxes	76.6	76.3
Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	248.0	275.5
Operating profit (loss)	25.4	34.3
Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	172.0	171.9
Operating profit (loss)	28.0	21.1
Engineered Materials
Operating profit (loss) from continuing operations
Net sales	68.3	69.7
Operating profit (loss)	13.7	14.3
Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	171.7	161.6
Operating profit (loss)	33.1	30.1
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	(14.7)	(13.7)
Commercial Valves [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	72.4	79.6
Other Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	20.6	20.2
Outside [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	248.0	275.5
Outside [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	172.0	171.9
Outside [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	68.3	69.7
Outside [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	171.7	161.6
Payment Acceptance and Dispensing Products [Member] [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	117.7	123.9
Merchandising Equipment [Member] | Payment and Merchandising Technologies [Member]
Operating profit (loss) from continuing operations
Net sales	54.3	48.0
Commercial Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	90.0	86.5
Military and Other Original Equipment [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	40.6	33.1
Commercial Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	30.4	31.7
Military Aftermarket Products [Member] | Aerospace and Electronics [Member]
Operating profit (loss) from continuing operations
Net sales	10.7	10.3
FRP - Recreational Vehicles [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	35.2	38.9
FRP - Building Products [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	22.5	21.2
FRP - Transportation [Member] | Engineered Materials
Operating profit (loss) from continuing operations
Net sales	10.6	9.6
Process Valves and Related Products [Member] | Fluid Handling [Member]
Operating profit (loss) from continuing operations
Net sales	$ 155.0	$ 175.7