	torchmark tmk authorizes stock repurchase torchmark corp said its board authorized the purchase from time to time of a significant portion of its pct convertible subordinated debentures as of february it said there were outstanding mln dlrs of the principal amount of debenures the company also said it plans to redeem the debentures on june eight it also declared a regular quarterly dividend of cts per share on its common payable may one to shareholders of record april reuter 
