Shareholders' Equity

There were no dividends declared or paid in the first quarter of fiscal years 2019 and 2018. The payment of cash dividends and the amount of any dividend are subject to review and change at the discretion of the company's Board of Directors.

Common Stock and Debt Repurchase Authorizations

On November 2, 2018, the Board of Directors authorized the repurchase of up to $200 million of the company's common stock and up to $100 million aggregate principal amount of any of the company's debt securities (including convertible debt securities), in each case from time to time through open market purchases, privately negotiated transactions or otherwise, subject to compliance with legal and regulatory requirements and the company's debt covenants. These repurchase authorizations supersede the remaining authority under the prior July 2016 repurchase authorizations described below. In the first quarter of fiscal year 2019, the company repurchased 3.0 million shares of common stock for $50 million (including commission costs) pursuant to the common stock repurchase authorization. As of December 31, 2018, the amounts remaining available for repurchases were $150 million under the common stock repurchase authorization and $100 million under the debt repurchase authorization.

On July 21, 2016, the Board of Directors authorized the repurchase of up to $100 million of the company’s common stock and up to $150 million aggregate principal amount of any of the company’s debt securities (including convertible debt securities), in each case from time to time through open market purchases, privately negotiated transactions or otherwise, until September 30, 2019, subject to compliance with legal and regulatory requirements and the company's debt covenants. The repurchase program under the $100 million equity repurchase authorization was complete as of September 30, 2018. The amount remaining available for repurchases under the debt repurchase authorization was $50 million as of September 30, 2018.

Accumulated Other Comprehensive Loss ("AOCL")

The components of AOCL and the changes in AOCL by components, net of tax, for the three months ended December 31, 2018 and 2017 are as follows (in millions):



	Foreign Currency Translation			Employee Benefit Related Adjustments			Unrealized Income (Loss)		Total
Balance at September 30, 2018	$	(90	)	$	(476	)	$	—	$	(566	)
Other comprehensive income before reclassification	(4		)	(1		)	—		(5		)
Amounts reclassified from accumulated other comprehensive loss	—			1			1		2
Net current-period other comprehensive income	$	(4	)	$	—		$	1	$	(3	)
Balance at December 31, 2018	$	(94	)	$	(476	)	$	1	$	(569	)



Details about Accumulated Other Comprehensive Income Components	Amount Reclassified from Accumulated Other Comprehensive Income			Affected Line Item in the Consolidated Statement of Operations
Employee Benefit Related Adjustment
Prior service costs	$	(9	)	^(a)
Actuarial losses	10			^(a)
	1			Total before tax
	—			Tax benefit
Total reclassifications for the period	$	1		Net of tax
^(a) These accumulated other comprehensive income components are included in the computation of net periodic pension and retiree medical expense (see Note 20 for additional details), which is recorded in other operating income (expense).



	Foreign Currency Translation			Employee Benefit Related Adjustments			Unrealized Loss			Total
Balance at September 30, 2017	$	(41	)	$	(500	)	$	(4	)	$	(545	)
Other comprehensive income (loss) before reclassification	(8		)	1			—			(7		)
Amounts reclassified from accumulated other comprehensive loss	—			2			—			2
Net current-period other comprehensive income (loss)	$	(8	)	$	3		$	—		$	(5	)
Balance at December 31, 2017	$	(49	)	$	(497	)	$	(4	)	$	(550	)



Details about Accumulated Other Comprehensive Income Components	Amount Reclassified from Accumulated Other Comprehensive Income			Affected Line Item in the Consolidated Statement of Operations
Employee Benefit Related Adjustment
Prior service costs	$	(9	)	^(b)
Actuarial losses	$	11		^(b)
	2			Total before tax
	—			Tax benefit
Total reclassifications for the period	$	2		Net of tax

^(b) These accumulated other comprehensive income components are included in the computation of net periodic pension and retiree medical expense (see Note 20 for additional details), which is recorded in other operating income (expense).