Note 6 - Capital Stock

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

6 . Capital Stock

On

April 20, 2017,

our Board of Directors authorized the purchase of up to

$500

million of our common stock. At

March 31, 2019,

$371

million of the combined authorization was remaining. We did

not

purchase any shares under our repurchase authorization during the

three

months ended

March 31, 2019.

On

January 23, 2019,

we announced an increase in our quarterly cash dividend from

$0.24

to

$0.26,

which was paid

February 22, 2019,

to stockholders of record on

February 8, 2019.

On

April 18, 2019,

our Board of Directors declared a regular quarterly dividend of

$0.26

per common share, which will be paid on

May 17, 2019,

to stockholders of record on

May 3, 2019.