Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
background [ˈbækgraund] n (of picture) за́дний*план; (of events) предысто́рия; (COMPUT) фон; (experience) о́пыт
cpd (noise, music) посторо́нний#
he's from a working class background он из рабо́чей семьи́
against a background of ... на фо́не +gen ...
background reading (on) дополни́тельное чте́ние (по +dat)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.