14. STOCKHOLDERS' EQUITY

Stock Repurchase Program

On May 28, 2015, we announced that our board of directors had approved a new share repurchase program (the "2015 repurchase program"). The 2015 repurchase program authorizes the purchase of up to $1.14 billion of our common stock at the company's discretion through and including November 1, 2018. The 2015 repurchase program does not require the company to acquire a specific number of shares and may be suspended or discontinued at any time. During the three and nine months ended July 31, 2018, we repurchased and retired approximately 3.8 million shares for $243 million and 5.1 million shares for $336 million, respectively, under this authorization. During the three and nine months ended July 31, 2017, we repurchased and retired zero shares and 4.1 million shares for $194 million, respectively, under this authorization. As of July 31, 2018, we had remaining authorization to repurchase up to $274 million of our common stock under this program.

Cash Dividends on Shares of Common Stock

During the three and nine months ended July 31, 2018, we paid cash dividends of $0.149 per common share or $48 million and $0.447 per common share or $144 million on the company's common stock, respectively. During the three and nine months ended July 31, 2017, we paid cash dividends of $0.132 per common share or $42 million and $0.396 per common share or $127 million on the company's common stock, respectively. The timing and amounts of any future dividends are subject to determination and approval by our board of directors.

Accumulated Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss) by component and related tax effects were as follows (in millions):



				Net defined benefit pension cost and post retirement plan costs
Three Months Ended July 31, 2018	Foreign currency translation			Prior service credits			Actuarial Losses			Unrealized gains (losses) on derivatives			Total
	(in millions)
As of April 30, 2018	$	(130	)	$	137		$	(315	)	$	(2	)	$	(310	)

Other comprehensive income (loss) before reclassifications	(39		)	—			1			8			(30		)

Amounts reclassified out of accumulated other comprehensive income (loss)	—			(2		)	10			1			9

Tax (expense) benefit	—			1			(3		)	(2		)	(4		)

Other comprehensive income (loss)	(39		)	(1		)	8			7			(25		)

As of July 31, 2018	$	(169	)	$	136		$	(307	)	$	5		$	(335	)

Nine Months Ended July 31, 2018

As of October 31, 2017	$	(156	)	$	140		$	(328	)	$	(2	)	$	(346	)

Other comprehensive income (loss) before reclassifications	(13		)	—			—			3			(10		)

Amounts reclassified out of accumulated other comprehensive income (loss)	—			(6		)	29			6			29

Tax (expense) benefit	—			2			(8		)	(2		)	(8		)

Other comprehensive income (loss)	(13		)	(4		)	21			7			11

As of July 31, 2018	$	(169	)	$	136		$	(307	)	$	5		$	(335	)

Reclassifications out of accumulated other comprehensive income (loss) for the three and nine months ended July 31, 2018 and 2017 were as follows (in millions):



Details about accumulated other comprehensive income (loss) components	Amounts Reclassified from other comprehensive income (loss)												Affected line item in statement of operations


	Three Months Ended						Nine Months Ended
	July 31,						July 31,
	2018			2017			2018			2017

Unrealized gain (loss) on derivatives	$	(1	)	$	1		$	(6	)	$	3		Cost of products
	(1		)	1			(6		)	3			Total before income tax
	—			—			2			(1		)	(Provision) benefit for income tax
	(1		)	1			(4		)	2			Total net of income tax
Net defined benefit pension cost and post retirement plan costs:

Actuarial net loss	(10		)	(12		)	(29		)	(46		)
Prior service benefit	2			2			6			7
	(8		)	(10		)	(23		)	(39		)	Total before income tax
	2			3			6			12			Benefit for income tax
	(6		)	(7		)	(17		)	(27		)	Total net of income tax

Total reclassifications for the period	$	(7	)	$	(6	)	$	(21	)	$	(25	)

Amounts in parentheses indicate reductions to income and increases to other comprehensive income (loss).

Reclassifications out of accumulated other comprehensive income (loss) of prior service benefit and actuarial net loss in respect of retirement plans and post retirement pension plans are included in the computation of net periodic cost together with curtailments and settlements (see Note 10 "Retirement Plans and Post Retirement Pension Plans").