"It does diversify them, it does make them substantially larger, but it could make them less buyable than before," said a source familiar with the situation who asked to remain unnamed. Toronto-based Cott announced Nov. 6 that it had struck a deal to buy the parent of Atlanta-based DS Services Holdings Inc., a direct-to-consumer provider of bottled water, office coffee and water filtration services, on a cash-free and debt-free basis.