XML 39 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Net Income Per Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2012
Net Income Per Share |
Schedule of Net Income Per Share |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (millions) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) |  | $ | (92.0 | ) |  | $ | (21.2 | ) |  | $ | (120.8 | ) |  | $ | (37.8 | )
Net interest expense on convertible notes and convertible preferred stock dividends (a) |  | (b) |  |  | (b) |  |  | (b) |  |  | (b) |
Net (loss) if-converted |  | $ | (92.0 | ) |  | $ | (21.2 | ) |  | $ | (120.8 | ) |  | $ | (37.8 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares |  |  | 124.3 |  |  |  | 122.8 |  |  |  | 123.7 |  |  |  | 122.1 |
Less: Weighted average unvested restricted stock |  |  | 2.6 |  |  |  | 1.7 |  |  |  | 1.7 |  |  |  | 1.8 |
Denominator for basic calculation |  |  | 121.7 |  |  |  | 121.1 |  |  |  | 122.0 |  |  |  | 120.3 |
Weighted average effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation awards |  |  | - |  |  |  | 0.1 |  |  |  | - |  |  |  | 3.1 |
Convertible notes |  |  | 44.3 |  |  |  | 44.3 |  |  |  | 44.3 |  |  |  | 44.6 |
Convertible preferred stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equivalent common shares (c) |  |  | 76.7 |  |  |  | 17.4 |  |  |  | 22.8 |  |  |  | 15.5 |
Less: share issuance limitation (d) |  |  | 53.9 |  |  |  | - |  |  |  | - |  |  |  | - |
Net allowable common shares |  |  | 22.8 |  |  |  | 17.4 |  |  |  | 22.8 |  |  |  | 15.5 |
Subtotal |  |  | 67.1 |  |  |  | 61.8 |  |  |  | 67.1 |  |  |  | 63.2 |
Less: shares excluded in a period of a net loss |  |  | 67.1 |  |  |  | 61.8 |  |  |  | 67.1 |  |  |  | 63.2 |
Weighted average effect of dilutive securities |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Denominator for diluted calculation |  |  | 121.7 |  |  |  | 121.1 |  |  |  | 122.0 |  |  |  | 120.3 |
Net (loss) per share – basic |  | $ | (.76 | ) |  | $ | (.18 | ) |  | $ | (.99 | ) |  | $ | (.31 | )
Net (loss) per share – diluted |  | $ | (.76 | ) |  | $ | (.18 | ) |  | $ | (.99 | ) |  | $ | (.31 | )
Schedule of Securities Excluded From Earnings Per Share |
| Three Months Ended June 30, | Six Months Ended June 30,
| 2012 | 2011 | 2012 | 2011
Options excluded from diluted net (loss) per share | 2.9 | 2.2 | 2.9 | 2.2
Warrants excluded from diluted net (loss) per share | 6.3 | 6.3 | 6.3 | 6.3
Exercise price of excluded options | $3.72 to | $5.00 to | $3.72 to | $5.00 to
| $14.28 | $14.28 | $14.28 | $14.28
Exercise price of excluded warrants | $7.50 | $7.50 | $7.50 | $7.50

X
- Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Securities Excluded From Earnings Per Share + References No definition available. + Details
Name: | usu_ScheduleOfSecuritiesExcludedFromEarningsPerShare
Namespace Prefix: | usu_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration