Segment Information

9 Months Ended

Sep. 30, 2017

The Company's reporting segments consist of the Electrical segment and the Power segment. The Electrical segment is comprised of businesses that sell stock and custom products including standard and special application wiring device products, rough-in electrical products, connector and grounding products, light fixtures and controls, components and assemblies for the natural gas distribution market as well as other electrical and communication equipment, some of which is designed such that it can also be used in harsh and hazardous locations primarily in the oil and gas (onshore and offshore) and mining industries. These products are primarily sold through electrical and industrial distributors, home centers, retail and hardware outlets, lighting showrooms and residential product-oriented internet sites. The Electrical segment is comprised of three business groups, which have been aggregated as they have similar long-term economic characteristics, customers and distribution channels, among other factors. The Power segment primarily serves the electric utility industry and is comprised of a wide variety of electrical distribution, transmission, and substation products with high voltage applications as well as telecommunication products. The following table sets forth financial information by business segment (in millions):



	Net Sales				Operating Income				Operating Income as a % of Net Sales
	2017		2016		2017		2016		2017		2016
Three Months Ended September 30,
Electrical	$	654.0	$	634.6	$	85.6	$	80.9	13.1	%	12.7	%
Power	296.5		272.8		60.8		55.1		20.5	%	20.2	%
TOTAL	$	950.5	$	907.4	$	146.4	$	136.0	15.4	%	15.0	%
Nine Months Ended September 30,
Electrical	$	1,897.9	$	1,858.7	$	206.6	$	213.5	10.9	%	11.5	%
Power	853.2		792.3		174.5		156.5		20.5	%	19.8	%
TOTAL	$	2,751.1	$	2,651.0	$	381.1	$	370.0	13.9	%	14.0	%