This blog post is short.
The podcast I highly recommend you take the time to listen to is 1 hour.
http://www.thisamericanlife.org/radio-archives/episode/403/nummi
This is the fascinating story as told by This American Life of NUMMI - the car manufacturing plant founded between General Motors and Toyota. Listen and you will find many valuable best practices around employee happiness and garnering bottom-line benefits and efficiencies.
Enjoy :)