Total Equity

Total equity is composed of the following (in millions, except per share amounts):



	September 30, 2018			December 31, 2017
Common stock, $.01 par value:
Common Stock – authorized 200.0 shares; issued and outstanding 54.7 and 54.9 shares	$	0.6		$	0.6
Additional paid-in capital	0.2			11.0
Retained earnings	2,034.1			1,892.4
Accumulated other comprehensive loss:
Pension and post retirement benefit plan adjustment, net of tax	(165.6		)	(176.5		)
Cumulative translation adjustment	(113.4		)	(91.9		)
Unrealized gain (loss) on investment, net of tax	(1.0		)	(0.6		)
Cash flow hedge gain (loss), net of tax	(0.1		)	(0.8		)
Total Accumulated other comprehensive loss	(280.1		)	(269.8		)
Hubbell shareholders’ equity	1,754.8			1,634.2
Noncontrolling interest	17.0			13.7
TOTAL EQUITY	$	1,771.8		$	1,647.9

A summary of the changes in equity for the nine months ended September 30, 2018 and 2017 is provided below (in millions):



	Nine Months Ended September 30,
	2018									2017
	Hubbell Shareholders’ Equity			Noncontrolling interest			Total Equity			Hubbell Shareholders’ Equity			Noncontrolling interest			Total Equity
EQUITY, JANUARY 1	$	1,634.2		$	13.7		$	1,647.9		$	1,592.8		$	10.4		$	1,603.2
Total comprehensive income	261.9			4.7			266.6			262.6			4.8			267.4
Stock-based compensation	13.4			—			13.4			11.9			—			11.9
ASC 606 adoption to retained earnings	0.6			—			0.6			—			—			—
Repurchase/surrender of shares of common stock	(28.8		)	—			(28.8		)	(96.0		)	—			(96.0		)
Issuance of shares related to directors’ deferred compensation, net	0.3			—			0.3			0.4			—			0.4
Dividends to noncontrolling interest	—			(3.8		)	(3.8		)	—			(3.5		)	(3.5		)
Aclara noncontrolling interest	—			2.4			2.4			—			—			—
Cash dividends declared	(126.8		)	—			(126.8		)	(115.7		)	—			(115.7		)
EQUITY, SEPTEMBER 30	$	1,754.8		$	17.0		$	1,771.8		$	1,656.0		$	11.7		$	1,667.7

The detailed components of total comprehensive income are presented in the Condensed Consolidated Statement of Comprehensive Income.