Despite Olympus' denials, the matter quickly snowballed into a corporate corruption scandal[7] over concealment (called tobashi) of more than 117.7 billion yen ($1.5 billion) of investment losses and other dubious fees and other payments dating back to the late 1980s and suspicion of covert payments to criminal organisations.[6][8][9][10] On 26 October, Kikukawa was replaced by Shuichi Takayama as chairman, president, and CEO. On 8 November 2011, the company admitted that the company's accounting practice was "inappropriate" and that money had been used to cover losses on investments dating to the 1990s. The company blamed the inappropriate accounting on former president Tsuyoshi Kikukawa, auditor Hideo Yamada and executive vice-president Hisashi Mori.