The board of directors of Herc Holdings Inc., an equipment rental supplier headquartered in Bonita Springs, declared a quarterly dividend of $0.575 per share, payable to shareholders of record as of May 27 with a payment date scheduled for June 10, the company announced Friday. Operating through its Herc Rentals subsidiary, Herc Holdings experienced strong growth in the first quarter of the year, reporting that equipment rental revenue was a record $526.8 million with total revenues of $567.3 million, increases of 31.6% and 25%, respectively, for the same period last year.