Note 9 - Capital Stock (Tables)

12 Months Ended

Dec. 31, 2012

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

(In thousands of shares)	2012		2011		2010
Outstanding, beginning of year		94,498		93,143		91,673
Shares issued upon exercise of options		286		671		677
Shares issued for grants of time vested restricted stock		950		684		773
Shares issued upon vesting of performance units		-		-		20
Outstanding, end of year		95,734		94,498		93,143