A gentle word of warning, if your kids are young you may not want to open the department store Santa can of worms. This makes it clear that Santas are hired help and are not always nice people. Specifically, the Santa in the very beginning of the movie is drunk to the point of passing out.
If your kids have a clear grasp of Santa vs. "Santa's helpers" they should be fine. If you are trying to preserve the illusion that your kids visit the real Santa at the mall, give this movie a pass until they're a little older.
My 8 and 10 year old kids prefer the newer version, which has even more references to alcohol abuse. The contemporary feel is much more enchanting for them than this older version.