reached a pact to buy Atlanta-based
, including the physician, hospital and retail pharmacy businesses, in a deal that values the takeover target at $19.50 a share.
The transaction is worth about $665 million, including refinancing NDC's debt, which currently totals $270 million.
As part of the transaction, Wolters Kluwer, an Amsterdam-based publisher, will buy NDC's pharmaceutical information management business for $382 million in cash.
Per-Se, which provides business-management software and services to hospitals, said it would have had pro forma revenue of around $590 million as of June 30.
Per-Se, based in Alpharetta, Ga., expects that the acquisition, excluding transaction expenses and other one-time costs, will add to its earnings per share in the first year of the combination.
Shares of Per-Se were down 17 cents to $19.87. NDC was rising $1.13, or 6%, to $18.90.