Conversation so far:
when did Nicklas Lidström retire?
On 31 May 2012, Lidstrom announced his retirement from the NHL.
why did he retire?
CANNOTANSWER.
what did he do after retiring?
On 8 July 2012, Lidstrom was named a scout for the Red Wings.

Question: was he considered successful?
Self-contained rewrite: Was Nicklas Lidström considered successful?