Restructuring - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014 Person	Sep. 28, 2013	Dec. 31, 2013 Person
Restructuring Cost and Reserve [Line Items]
Number of employees			750		1,100
Total restructuring costs	$ 0	$ 3.3	$ 53.0	$ 49.1
Valves & Controls
Restructuring Cost and Reserve [Line Items]
Number of employees			400		500
Total restructuring costs	0	0.4	27.7	18.6
Process Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Number of employees			100		150
Total restructuring costs	0	2.3	9.5	6.4
Flow Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Number of employees			150		150
Total restructuring costs	0	0	10.0	6.5
Technical Solutions
Restructuring Cost and Reserve [Line Items]
Number of employees			100		300
Total restructuring costs	0	0.6	5.8	15.8
Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs				$ 1.8