GAAP diluted earnings per share of $.39 includes restructuring expenses of $ 0.72 per share related to the wind energy pitch control business and $ 0.05 per share charge related to the Tax Cuts and Jobs Act;
Late - model wind turbines are better able to control their output by changing the pitch of their blades and «spilling» wind (i.e., letting the wind blow past without extracting its energy, like water spilling over a dam).