Note 10 - Capital Stock (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

(In thousands of shares)	2014		2013		2012
Outstanding, beginning of year		98,031		95,734		94,498
Shares issued upon exercise of options		540		1,386		286
Shares issued for grants of time vested restricted stock (net of cancellations)		633		911		950
Outstanding, end of year		99,204		98,031		95,734