Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Data

The table below sets forth summarized quarterly financial data for the years ended December 31, 2017 and 2016 (in millions, except per share amounts):

	Reported First Quarter		Reported Second Quarter		Reported Third Quarter		Fourth Quarter
2017
Net sales	$	852.3	$	948.3	$	950.5	$	917.7
Cost of goods sold	$	590.5	$	653.6	$	643.6	$	629.2
Gross profit	$	261.8	$	294.7	$	306.9	$	288.5
Selling & administrative expenses	$	157.7	$	164.1	$	160.5	$	165.8
Net income (1)	$	63.9	$	80.8	$	82.8	$	22.4
Net Income attributable to Hubbell (1)	$	62.8	$	79.1	$	80.8	$	20.4
Earnings per share — Basic	$	1.13	$	1.44	$	1.47	$	0.37
Earnings per share — Diluted	$	1.13	$	1.43	$	1.47	$	0.37
(1) Net income in the fourth quarter of 2017 includes approximately $57 million, or $1.02 per share, impact associated with the TCJA.
	Reported First Quarter		Reported Second Quarter		Reported Third Quarter		Fourth Quarter
2016
Net sales	$	834.8	$	908.8	$	907.4	$	854.2
Cost of goods sold	$	574.9	$	615.3	$	618.7	$	595.6
Gross profit	$	259.9	$	293.5	$	288.7	$	258.6
Selling & administrative expenses	$	158.0	$	161.4	$	152.7	$	150.8
Net income	$	62.0	$	82.0	$	88.1	$	65.7
Net Income attributable to Hubbell	$	60.9	$	81.0	$	86.7	$	64.4
Earnings per share — Basic	$	1.08	$	1.46	$	1.56	$	1.16
Earnings per share — Diluted	$	1.08	$	1.45	$	1.56	$	1.16