What he really means?
Ah, the joys of management speak-
“Our inventory levels were extremely lean exiting the third quarter and were anticipated to become even leaner throughout the fourth quarter." - This means they didn't have enough stock, and will have even less stock in 2015.
"We overestimated our ability to service our customers’ demand variability with our low levels of inventory, creating supply shortfalls in certain products.” - This means we didn't have enough product to sell.
Summary: We didn't have enough product to meet demand last year and we are going to have even less this year. Expect another drop in profits.