Aramark Corp. has agreed to a buyout by an investment group led by Joseph Neubauer. Under the terms of the agreement, shareholders of ARAMARK will receive $33.80 per share of common stock held. The deal is valued at $6.3 billion. Other investors included in the transaction are GS Capital Partners, CCMP Capital Advisors and J.P. Morgan Partners, Thomas H. Lee partners and Warburg Pincus LLC. Aramark, a Philadelphia-based food services, facilities management and uniform company, includes Aramark Uniform Services, a Burbank-based unit.