The components of accumulated other comprehensive loss, net of tax, were as follows:

	September 30,			December 31,
	2019			2018
Foreign currency translation	$	(323.3	)	$	(223.2	)
Translation gain (loss) on derivative instruments, net of income taxes of $(1.3) and $(12.9), respectively		38.5			(4.7	)
Translation loss on long-term intercompany loans		(133.6	)		(137.2	)
Defined benefit pension plans, net of income taxes of $(22.9) and $(23.2), respectively		(36.9	)		(37.9	)
Retiree health care plan, net of income taxes of $1.9 and $2.0, respectively		2.8			3.2
Accumulated other comprehensive loss	$	(452.5	)	$	(399.8	)

Noncontrolling interests, reported in total shareholders' equity in our Consolidated Balance Sheets, represent amounts related to majority-owned subsidiaries in which we have a controlling financial interest. Net earnings attributable to these noncontrolling interests are recorded in interest and other expenses (income), net in our Consolidated Statements of Operations. We recorded expenses of $0.2 and $1.3 for the three months ended September 30, 2019 and 2018, respectively, and $1.3 and $3.5 for the nine months ended September 30, 2019 and 2018, respectively. The portion of earnings attributed to the noncontrolling interest for ManpowerGroup Greater China Limited is included in the above amounts through July 10, 2019. (See Note 5 to the Consolidated Financial Statements for further information on the deconsolidation of the entity.)

In 2018, the Board of Directors made the following dividend declarations: On May 4, 2018, the Board of Directors declared a semi-annual cash dividend of $1.01 per share which was paid on June 15, 2018 to shareholders of record on June 1, 2018. On November 9, 2018, the Board of Directors declared a semi-annual cash dividend of $1.01 per share which was paid on December 14, 2018 to shareholders of record on December 3, 2018.

To date in 2019, the Board of Directors has made the following dividend declaration: On May 10, 2019, the Board of Directors declared a semi-annual cash dividend of $1.09 per share which was paid on June 14, 2019 to shareholders of record on June 3, 2019.

In August 2019, the Board of Directors authorized the repurchase of 6.0 million shares of our common stock, with terms consistent with the previous authorizations. This authorization is in addition to the August 2018 and July 2016 Board authorizations to purchase 6.0 million shares of our common stock each. Share repurchases may be made from time to time through a variety of methods, including open market purchases, block transactions, privately negotiated transactions or similar facilities. During the first nine months of 2019, we repurchased a total of 1.8 million shares at a cost of $152.0 under the 2018 authorization. During the first nine months of 2018, we repurchased a total of 3.1 million shares comprised of 2.8 million shares under the 2016 authorization and 0.3 million shares under the 2018 authorization, at a total cost of $299.2. As of September 30, 2019, there were 6.0 million and 1.3 million shares remaining authorized for repurchase under the 2019 authorization and 2018 authorization, respectively, and no shares remaining authorized for repurchase under the 2016 authorization.