Glatfelter said Thursday it plans to shrink its global workforce by 3 percent to 5 percent as weak economic growth in Europe and political uncertainty in Russia and Ukraine affects its business. The York-based paper and fiber manufacturer reported net income of $19.6 million, or 45 cents a share, for the fourth quarter ended Dec. 31. That was up from earnings of $16.5 million, or 37 cents a share, in fourth-quarter 2013.