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Goodwill | 6 Months Ended
--- | ---
Mar. 31, 2012
Goodwill |
Goodwill | Note 10. Goodwill
|  | September 30, 2011 |  |  | Effects of Foreign Currency Translation |  |  | March 31, 2012 |
Aerospace |  | $ | 356,525 |  |  | $ | 176 |  |  | $ | 356,701 |
Energy |  |  | 105,757 |  |  |  | 201 |  |  |  | 105,958 |
Consolidated |  | $ | 462,282 |  |  | $ | 377 |  |  | $ | 462,659 |
Woodward tests goodwill for impairment at the reporting unit level on an annual basis and more often if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. The impairment tests consist of comparing the implied fair value of each identified reporting unit with its carrying amount including goodwill. If the carrying amount of the reporting unit exceeds its implied fair value, Woodward compares the implied fair value of goodwill with the recorded carrying amount of goodwill. If the carrying amount of goodwill exceeds the implied fair value of goodwill, an impairment loss would be recognized to reduce the carrying amount to its implied fair value. Woodward completed its annual goodwill impairment test as of July 31, 2011 during the quarter ended September 30, 2011. As a part of that test, the fair value of each of Woodward's reporting units was determined using a discounted cash flow method. This method represents a Level 3 input and incorporates various estimates and assumptions, the most significant being projected revenue growth rates, operating earnings margins, and forecasted cash flows based on the discount rate and terminal growth rate. Management projects revenue growth rates, operating earnings margins and cash flows based on each reporting unit's current operational results, expected performance and operational strategies over a five or ten-year period. These projections are adjusted to reflect economic conditions and the demand for certain products and require considerable management judgment. Forecasted cash flows used in the July 31, 2011 impairment test were discounted using weighted-average cost of capital assumptions from 10.0% to 10.2%. The terminal values of the forecasted cash flows were calculated using the Gordon Growth Model and assumed an annual compound growth rate after five or ten years of 4.3%. These inputs, which are unobservable in the market, represent management's best estimate of what market participants would use in determining the present value of the Company's forecasted cash flows. Changes in these estimates and assumptions can have a significant impact on the fair value of forecasted cash flows. Woodward evaluated the reasonableness of the reporting units resulting fair values utilizing a market multiple method. The results of Woodward's goodwill impairment tests performed as of July 31, 2011 indicated the estimated fair value of each reporting unit was substantially in excess of its carrying value, and accordingly, no impairment existed. As part of the Company's ongoing monitoring efforts, Woodward will continue to consider the global economic environment and its potential impact on Woodward's business at a reporting unit level in assessing goodwill recoverability. There can be no assurance that Woodward's estimates and assumptions regarding forecasted cash flows of certain reporting units, the period or strength of the current economic recovery, or the other inputs used in forecasting the present value of forecasted cash flows will prove to be accurate projections of future performance.

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