。
My father took an early retirement package.
Literal
I [of-の] father [topic-は] early retire [so-as-to-よう] retirement-money [object-を] was-offered received [explanatory-んだ].
Stacks passive voice with ~てもらう-equivalent structure: 差し出される is the passive of 差し出す ('to offer, to present'). 退職金 is the lump-sum retirement payment standard in Japanese employment — 'retirement money.' 早く退職するよう is an adverbial purpose clause ('so as to retire early'). A culturally specific scenario involving early-retirement incentives common in Japanese corporate downsizing.