Equity for this transaction comes from Carlyle Europe Partners III (CEP III), a €5.4bn buyout fund focused on investment opportunities in Europe.

This is the fifth investment in 2010 for CEP III following B&B Hotel Group, Giannoni (manufacturer of stainless steel heat exchangers), NBTY (manufacturer of vitamins and nutritional supplements) and Commscope (infrastructure solution provider for communications networks.

Carlyle Europe managing director and co-head Gregor Boehm said Carlyle looks forward to working with the management team to help the group reach its full potential, expanding the business in Germany and internationally both through organic growth and acquisitions.