Segment Information - Financial Information by Reportable Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Segment Reporting Information [Line Items]
Net sales	$ 1,824.8	$ 865.5	$ 5,563.0	$ 2,665.2
Operating income (loss)	240.0	55.2	540.2	261.0
Water & Fluid Solutions
Segment Reporting Information [Line Items]
Net sales	814.3	605.5	2,546.1	1,868.0
Operating income (loss)	105.9	69.2	316.8	224.9
Valves & Controls
Segment Reporting Information [Line Items]
Net sales	611.5	0	1,817.2	0
Operating income (loss)	76.6	0	114.9	0
Technical Solutions
Segment Reporting Information [Line Items]
Net sales	405.9	261.5	1,213.3	801.6
Operating income (loss)	82.2	52.3	200.6	153.4
Other
Segment Reporting Information [Line Items]
Net sales	(6.9)	(1.5)	(13.6)	(4.4)
Operating income (loss)	$ (24.7)	$ (66.3)	$ (92.1)	$ (117.3)