MILAN — All Kering Group companies will hold a strike on May 20 in Italy, staged by  the country’s unions Filctem Cgil, Femca Cisl and Uiltec Uil. A demonstration will take place in Florence and in other locations that were not yet identified in a statement issued by the unions on Thursday. These steps were “made necessary in light of the management’s unavailability to discuss the group’s reorganization plan dubbed ‘ReconKering,’ which was never presented to the unions, and because of the 54 layoffs announced for Alexander McQueen for which the company does not plan to activate any kind of social safety net,” read the statement. The unions asked for the “immediate” withdrawal of the announced layoffs in favor of alternative solutions and urged Kering to explain what the “ReconKering” relaunch plan entails. The parent group’s approach to McQueen “is not acceptable” and would set a precedent the unions want to avoid.…