Universal Health Services Inc., of King of Prussia, said Monday it agreed to pay $479 million for 81 behavioral health facilities with 1,193 beds in the United Kingdom, where UHS already owns a company called Cygnet.

UHS said the new operations, the adult services division of Cambian Group PLC, are expected this year to  have $180 million in revenue and $44.5 million in earnings before interest, taxes, depreciation, and amortization, for a 25 percent operating profit margin.

This Cambian facilities UHS is buying are for adults with mental health disorders, intellectual disabilities, autism, personality disorder, and acquired brain conditions, UHS said.

If the acquisition is completed by the end of the year as expected, UHS will have 102 facilities with approximately 2,250 beds in the U.K.

In early trading Monday, UHS's shares were down $1.69, or 1.3 percent, to $123.03 on the New York Stock Exchange.