Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Summary of segment information

The following table sets forth financial information by business segment (in millions):

	Net Sales				Operating Income				Operating Income as a % of Net Sales
	2016		2015		2016		2015		2016		2015
Three Months Ended September 30,
Electrical	$	634.6	$	617.5	$	80.9	$	78.8	12.7	%	12.8	%
Power	272.8		259.5		55.1		52.2		20.2	%	20.1	%
TOTAL	$	907.4	$	877.0	$	136.0	$	131.0	15.0	%	14.9	%
Nine Months Ended September 30,
Electrical	$	1,858.7	$	1,802.3	$	213.5	$	216.6	11.5	%	12.0	%
Power	792.3		758.4		156.5		146.1		19.8	%	19.3	%
TOTAL	$	2,651.0	$	2,560.7	$	370.0	$	362.7	14.0	%	14.2	%