Please see attachment.
The attachment reference is:
Pearce, J. A., & Robinson, R. B. (2011). Strategic management (12th ed.). New York, NY: McGraw Hill.
The next move for Walter was in 1983 when he made the decision to take his company, Cardinal Distribution, public to raise capital to help support the massive growth of his pharmaceutical business. Upon getting approval to go public, the company again changed its name to Cardinal Health Inc (Hensley, 1999).