Layer content can be aligned on the page accurately using the Transform Studio.
Before and after alignment applied.
Settings
Settings can be adjusted from the Studio's Alignment Options:
Align to—the pop-up menu sets the alignment criteria for the operation. For example, you can align in relation to Selection Bounds, page Spread, page Margin or the first (or last) object selected during a multiple selection (by marquee drag over or layer selection).
The Alignment Options, accessed through the Transform Studio. To align layer content:
Select your layer(s).
On the Transform Studio, choose Alignment Options.
Set the Align To option, then an Align Horizontally or Align Vertically option.