Note 6 - Capital Stock

9 Months Ended

Sep. 30, 2017

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

6 . Capital Stock

On

October 2

2,

2015,

our Board of Directors authorized the purchase of

$500

million of our common stock. On

April 20, 2017,

our Board of Directors authorized an additional purchase of up to

$500

million of our common stock. At

September 30, 2017,

$521

million of the combined authorization was remaining. We did

not

purchase any shares under our repurchase authorization during the

three

months ended

September 30, 2017.

On

July 20, 2017,

our Board of Directors declared a regular quarterly cash dividend of

$0.23,

which was paid

August 18, 2017

,

to stockholders of record on

August 7, 2017

.

On

October 19, 2017,

our Board of Directors declared a regular quarterly dividend of

$0.23

per common share, which will be paid on

November 17, 2017

,

to stockholders of record on

November 3, 2017

.