Capital Stock (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Schedule of changes in outstanding Common Stock

Changes in outstanding common stock were as follows:

(In thousands of shares)	2018	2017	2016
Outstanding, beginning of year	104,572	99,843	99,377
Shares issued for exercise of options	603	416	125
Shares issued for time vested restricted stock (net of forfeitures)	1,188	952	341
Shares issued for acquisition	—	3,361	—
Outstanding, end of year	106,363	104,572	99,843