Ilitch is all over the place politically. He supports lots of senate democrats, supported Rudy Giuliani for president, the NRSC, Candace Miller for congress etc.
http://www.campaignmoney.com/political/contributions/michael-ilitch.asp?cycle=08
In 2012 Ilitch appears to have gone mostly republican aside from Debbie Stabenow.
http://www.campaignmoney.com/political/contributions/michael-ilitch.asp?cycle=12