Given a sentence in Somali language, translate the sentence to English language keeping the meaning of the original sentence intact

Somali sentence: Dhowr toddobaad gudahood Bishii Sebtembar 2008, Lehman Brothers, oo ka mid ah hay'adaha maaliyadeed ee adduunka ugu weyn, ayaa xumaaday ka dib markii xisaabiyayaasheeda, oo la siiyay $ 31m, ay bixiyeen "labis daaqad" qaab dhismeedka khatarta leh ee Lehman.
Within a few weeks in September 2008, Lehman Brothers, one of the world's biggest financial institutions, went bankrupt after its auditors, who were paid $31m, had provided "window dressing" for Lehman's risky financial structures.