sentences:  On March 8, it was reported that the 3D Blu-ray would be released in the United States, also with Samsung 3D products, on March 21.As of February 2011, 9.0 million home entertainment units were sold worldwide.In July 2014, the film's distribution rights were purchased by DreamWorks Animation from Paramount Pictures and transferred to 20th Century Fox; the rights are now owned by Universal Pictures.