Goodwill And Intangible Assets (Changes To Goodwill) (Detail) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 31.5
Goodwill, Foreign Currency Translation Gain (Loss)	25.2	$ (18.7)
Balance at beginning of period	1,149.2	1,167.9
Balance at end of period	1,205.9	1,149.2
Fluid Handling [Member]
Goodwill [Line Items]
Goodwill, Foreign Currency Translation Gain (Loss)	9.4	(6.4)
Balance at beginning of period	212.3	218.7
Balance at end of period	244.3	212.3
Payment and Merchandising Technologies [Member]
Goodwill [Line Items]
Goodwill, Foreign Currency Translation Gain (Loss)	15.6	(11.9)
Balance at beginning of period	563.3	575.2
Balance at end of period	587.8	563.3
Aerospace and Electronics [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	0.0
Goodwill, Foreign Currency Translation Gain (Loss)	0.1	(0.3)
Balance at beginning of period	202.3	202.6
Balance at end of period	202.4	202.3
Engineered Materials
Goodwill [Line Items]
Goodwill, Acquired During Period	0.0
Goodwill, Foreign Currency Translation Gain (Loss)	0.1	(0.1)
Balance at beginning of period	171.3	171.4
Balance at end of period	$ 171.4	$ 171.3