Move SharePoint Farm to New Domain

Here you are the complete steps

http://blogs.technet.com/b/sushrao/archive/2011/12/02/sharepoint-migrating-sharepoint-server-from-one-domain-to-another.aspx

check those links also

http://www.falconitservices.com/support/KB/Lists/Posts/Post.aspx?ID=194

https://social.technet.microsoft.com/Forums/sharepoint/en-US/20ab9c73-ab38-47d0-a791-8f9004fbe1a4/move-sharepoint-farm-servers-to-another-ad-domain