POWER OF ATTORNEY


KNOW ALL MEN BY THESE PRESENTS, that I, Peter Karmanos, Jr., located at One
Campus Martius, Detroit, Michigan 48226, do hereby nominate, constitute and
appoint Thomas M. Costello, Jr., Daniel S. Follis or Terri Trainor Clark, with
offices at One Campus Martius, Detroit, Michigan 48226, my true and lawful
attorney in fact, for me and in my name, place and stead to:

Execute my name to any and all documents, forms and reports ("Documents"),
whether such Documents are filed with the Securities and Exchange Commission
electronically or otherwise, for transactions in the securities of Compuware
Corporation.

In addition, I hereby give and grant unto my said attorney in fact, full power
and authority to do and perform every act necessary, requisite or proper to be
done in and about the premises as fully as I might or could do if I were
personally present, with full power of substitution and revocation, hereby
ratifying and confirming all that my said attorney shall lawfully do or cause to
be done by virtue hereof.

IN WITNESS WHEREOF, I have here unto set my hand this 18th day of October, 2005.

In presence of

/s/						/s/
Daniel S. Follis				Peter Karmanos
Witness					Signature
Subscribed and sworn to before me
This 18th day of October, 2005



/s/
Arveen Kohli
Notary Public
Acting in Wayne County,
State of Michigan

My Commission expires: 02/10/09