These values represent the amount of operating lease payments due in a specified year following the balance sheet period end date. These values are non-cumulative. If a company presents their operating lease payments in ranges instead of individual years, each range is divided out and the resulting amounts are distributed evenly across the years in the range.

These values represent the amount of operating lease payments due in a specified year following the balance sheet period end date. These values are non-cumulative. If a company presents their operating lease payments in ranges instead of individual years, each range is divided out and the resulting amounts are distributed evenly across the years in the range.

Operating Margin represents Operating Income divided by Total Revenue.

This value measures the percent of revenues remaining after paying all operating expenses. It is calculated as annual Operating Income divided by annual Total Revenue, multiplied by 100. Operating Income is defined as Total Revenue minus Total Operating Expenses.

This value measures the percent of revenues remaining after paying all operating expenses. It is calculated as interim operating Income divided by interim Total Revenue, multiplied by 100. Operating Income is defined as Total Revenue minus Total Operating Expenses.

This value measures the percent of revenues remaining after paying all operating expenses. It is calculated as the trailing 12 months Operating Income divided by the trailing 12 months Total Revenue, multiplied by 100. Operating Income is defined as Total Revenue minus Total Operating Expenses.

Operating Margin, Total - % represents the Company level Operating Margin, as reported by the company.

Operating Revenue per ASK captures the total operating revenues earned per available seat kilometer of the airline. It is obtained using total operating revenues divided by total available seat kilometers.

Operations & Maintenance represents costs for operations and maintenance of power generating plants by electric utility companies, and maintenance of distribution facilities by utility companies. A significant portion of Operations & Maintenance may represent depreciation and maintenance of local distribution facilities such as power lines and gas pipelines.

Options Exercised represents cash inflow due to stock options exercised, which results in an increase of common stock.