Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating profit (loss) from continuing operations
Revenues	$ 833.5	$ 797.9
Operating profit (loss)	146.4	88.6
Interest income	0.4	0.4
Interest expense	(13.6)	(12.5)
Miscellaneous - net	3.9	3.8
Income before income taxes	137.1	80.3
Fluid Handling
Operating profit (loss) from continuing operations
Revenues	288.0	256.7
Operating profit (loss)	49.9	28.0
Payment & Merchandising Technologies
Operating profit (loss) from continuing operations
Revenues	337.5	297.4
Operating profit (loss)	85.9	26.4
Engineered Materials
Operating profit (loss) from continuing operations
Revenues	53.9	50.9
Operating profit (loss)	6.4	6.9
Aerospace & Electronics
Operating profit (loss) from continuing operations
Revenues	154.1	192.9
Operating profit (loss)	26.0	43.8
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	$ (21.8)	$ (16.5)