Segment Information (Tables)

6 Months Ended

Jun. 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 June 30,
Electrical	$	641.4	$	615.0	$	77.1	$	74.5	12.0	%	12.1	%
Power	267.4		259.0		55.0		52.2		20.6	%	20.2	%
TOTAL	$	908.8	$	874.0	$	132.1	$	126.7	14.5	%	14.5	%
Six Months Ended June 30,
Electrical	$	1,224.1	$	1,184.8	$	132.5	$	137.8	10.8	%	11.6	%
Power	519.5		498.9		101.5		93.9		19.5	%	18.8	%
TOTAL	$	1,743.6	$	1,683.7	$	234.0	$	231.7	13.4	%	13.8	%