Brunswick Corporation narrowed its net losses to $104.1 million in the fourth quarter from $124.0 million in the year-earlier period as revenues increased by 11 percent to $728.8 million. The full-year loss shrank to $110.6 million from $586.2 million and revenues rose by 23 percent to $3.4 billion. The group had a positive cash flow of $20.2 million for the year, not including a $109.5 million tax refund that brought the total to $129.7 million, while net debt was trimmed by $150 million to $173.5 million. The marine and boat businesses continued to register losses but the fitness and bowling/billiards units were in the black. The fitness unit, represented mainly by Life Fitness, showed an 11 percent sales gain in the fourth quarter to $162.0 million and a19 percent improvement in operating income to $24.4 million. For the year, fitness sales rose by 9 percent to $541.9 million and operating income was up by 78 percent to $59.6 million. The bowling/billiard segment booked a 3 percent decline in turnover to $79.5 million in the last quarter with operating income of $0.2 million against $2.2 million. For the full year, it had a 4 percent decline in sales to $323.3 million but operating income more than quadrupled to $12.5 million.