Restructuring - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013 Person	Sep. 29, 2012	Dec. 31, 2012 Person
Restructuring Cost and Reserve [Line Items]
Number of employees			700		1,000
Total restructuring costs	$ 4.0	$ 0.8	$ 52.3	$ 11.2
Water & Fluid Solutions
Restructuring Cost and Reserve [Line Items]
Number of employees			200		500
Total restructuring costs	3.0		16.7
Valves & Controls
Restructuring Cost and Reserve [Line Items]
Number of employees			200		300
Total restructuring costs	0.4		19.2
Technical Solutions
Restructuring Cost and Reserve [Line Items]
Number of employees			300		200
Total restructuring costs	$ 0.6		$ 16.4