Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

(Dollars in millions, except ratios)



|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ----------------------- | ---- | - | ----------------------------- | - | ----- | ---- |  | - | ----- | - |  | ---- | ---- | - |  | - | ---- | - |  | - | ----- | -
|                                                                                                                                                                        |  | Year Ended November 30, |      |   | Six Months Ended May 31, 2007 |  
|                                                                                                                                                                        |  | 2002                    |      |   | 2003                          |   |       | 2004 |  |   | 2005  |   |  | 2006 |      |  
|Pre-tax income (loss) from continuing operations                                                                                                                        |  | $                       | 12.3 |   |                               | $ | (87.4 | )    |  | $ | (25.7 | ) |  | $    | (3.0 | ) |  | $ | 3.3  |   |  | $ | (14.9 | )
|Adjustment for (income) loss from equity investees                                                                                                                      |  |                         | (1.0 | ) |                               |   | .8    |      |  |   | .6    |   |  |      | (.7  | ) |  |   | (2.3 | ) |  |   | (.7   | )
|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|Pre-tax income (loss) from continuing operations before adjustment for minority interests in consolidated subsidiaries or income or loss from
equity investees          |  | $                       | 11.3 |   |                               | $ | (86.6 | )    |  | $ | (25.1 | ) |  | $    | (3.7 | ) |  | $ | 1.0  |   |  | $ | (15.6 | )
|Distributed income equity investees                                                                                                                                     |  |                         |     |   |                               |   | .5    |      |  |   |      |   |  |      |     |   |  |   | .5   |   |  |   |      |  
|Less: Capitalized interest                                                                                                                                              |  |                         |     |   |                               |   |      |      |  |   |      |   |  |      |     |   |  |   |     |   |  |   |      |  
|Amortization of interest previously capitalized                                                                                                                         |  |                         | .1   |   |                               |   | .1    |      |  |   | .1    |   |  |      |     |   |  |   |     |   |  |   |      |  
|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|Adjusted pre-tax income (loss) from continuing operations before adjustment for minority interests in consolidated subsidiaries or income or
loss from equity investees |  | $                       | 11.4 |   |                               | $ | (86.0 | )    |  | $ | (25.0 | ) |  | $    | (3.7 | ) |  | $ | 1.5  |   |  | $ | (15.6 | )
|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|Fixed Charges:                                                                                                                                                          |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|Interest expense                                                                                                                                                        |  | $                       | 8.1  |   |                               | $ | 15.3  |      |  | $ | 20.7  |   |  | $    | 21.2 |   |  | $ | 20.3 |   |  | $ | 9.3   |  
|Interest capitalized during the period                                                                                                                                  |  |                         |     |   |                               |   |      |      |  |   |      |   |  |      |     |   |  |   |     |   |  |   |      |  
|Amortization of debt issuance costs                                                                                                                                     |  |                         | 1.0  |   |                               |   | 4.8   |      |  |   | 1.7   |   |  |      | 1.4  |   |  |   | 1.1  |   |  |   | .5    |  
|Imputed interest portion of rent expense                                                                                                                                |  |                         | 2.7  |   |                               |   | 2.9   |      |  |   | 2.5   |   |  |      | 1.8  |   |  |   | 1.8  |   |  |   | .9    |  
|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|Total Fixed Charges                                                                                                                                                     |  | $                       | 11.8 |   |                               | $ | 23.0  |      |  | $ | 24.9  |   |  | $    | 24.4 |   |  | $ | 23.2 |   |  | $ | 10.7  |  
|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|Pre-tax income (loss) from continuing operations before adjustment for income from equity investees plus fixed charges                                                  |  | $                       | 23.2 |   |                               | $ | (63.0 | )    |  | $ | (.1   | ) |  | $    | 20.7 |   |  | $ | 24.7 |   |  | $ | (4.9  | )
|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  
|Ratio of Earnings to Fixed Charges(a)                                                                                                                                   |  |                         | 1.6  |   |                               |   |      |      |  |   |      |   |  |      |     |   |  |   | 1.1  |   |  |   |      |  
|                                                                                                                                                                        |  |                         |      |   |                               |   |       |      |  |   |       |   |  |      |      |   |  |   |      |   |  |   |       |  

---

|(a) | For the six months ended May 31, 2007, the ratio was less than 1.0x and was deficient by
$15.6 million. For years 2005, 2004 and 2003, the ratio was less than 1.0x and was deficient by $3.7 million, $25.0 million and $86.0 million, respectively.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------