Goodwill and Other Identifiable Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	9 Months Ended
	Sep. 26, 2015 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 4,741.9
Acquisitions/ divestitures	1,160.9
Foreign currency translation/other	(75.4)
Ending Balance	5,827.4
Valves & Controls
Goodwill [Roll Forward]
Beginning Balance	1,511.6
Acquisitions/ divestitures	0.0
Foreign currency translation/other	0.0
Ending Balance	1,511.6
Flow & Filtration Solutions [Member]
Goodwill [Roll Forward]
Beginning Balance	942.4
Acquisitions/ divestitures	0.0
Foreign currency translation/other	(51.8)
Ending Balance	890.6
Water Quality Systems [Member]
Goodwill [Roll Forward]
Beginning Balance	1,137.6
Acquisitions/ divestitures	0.0
Foreign currency translation/other	(14.7)
Ending Balance	1,122.9
Technical Solutions
Goodwill [Roll Forward]
Beginning Balance	1,150.3
Acquisitions/ divestitures	1,160.9
Foreign currency translation/other	(8.9)
Ending Balance	$ 2,302.3