Randomise a list of anything in C# with LINQ

///
/// Shuffles the specified list into a random order.
///
/// The type of the list items
/// The list of items.
/// A randomised list of the items.
public static IList Shuffle(this IEnumerable list)
{
  Random rnd = new Random(DateTime.Now.Millisecond);
  var randomised = list.Select(item => new { item, order = rnd.Next() })
    .OrderBy(x => x.order)
    .Select(x => x.item)
    .ToList();
 
  return randomised;
}