Sentence:  When this conversation was repeated <WSD>in detail</WSD> within the hearing of the young woman in question, and undoubtedly for his benefit, Mr. Trevor threw shame to the winds and scandalized the Misses Brewster then and there by proclaiming his father to have been a country storekeeper. 
Meaning of the word marked with <WSD> tags:  Thoroughly; including every detail; with all particulars.