The net income of fast-food operator Nathan's Famous Inc. slid 43 percent in its fiscal first quarter primarily because of higher costs in the Jericho-based company's international franchising program.

Net income fell to $2.3 million in the first quarter ended June 28, from $4.1 million a year earlier. That decrease came as total franchise-fee income tumbled to $41,000 during the 13-week period, from $227,000 a year ago. The company blamed "store opening variances" in its international franchising program. In accounting, variances generally refer to the difference between the actual and expected cost of something.

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Revenue in the quarter rose 11 percent to $30.7 million.

Besides Nathan's Famous restaurants, the company operates, franchises or licenses other brands that include Kenny Rogers Roasters and Arthur Treacher's Fish & Chips.