XML 47 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Condensed Debtor-in-Possession Financial Information Debtor's Condensed Balance Sheet (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2014
Condensed Debtor-in-Possession Financial Information [Abstract] |
Debtor's Condensed Balance Sheet [Table Text Block] |
Debtor's Condensed Balance Sheet (millions) |
| June 30, 2014
ASSETS |
Current Assets |
Cash and cash equivalents | $ | 7.4 |
Accounts receivable, net | 7.1 |
Inventories | 0.2 |
Other current assets | 11.0 |
Total current assets | 25.7 |
Property, plant and equipment, net | 1.5 |
Deposits for surety bonds | 29.4 |
Investment in non-filing entities | 484.9 |
Total Assets | $ | 541.5 |
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) |  |
Current Liabilities |  |
Accounts payable and accrued liabilities | $ | 21.6 |
Borrowings under the DIP Facility | 11.5 |
Total current liabilities | 33.1 |
Pension benefit liabilities | 26.0 |
Other long-term liabilities | 24.5 |
Liabilities subject to compromise | 994.1 |
Total Liabilities | 1,077.7 |
Stockholders’ Equity (Deficit) | (536.2 | )
Total Liabilities and Stockholders’ Equity (Deficit) | $ | 541.5 |

X
- Details
Name: | usu_CondensedDebtorinPossessionFinancialInformationAbstract
Namespace Prefix: | usu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debtor's Condensed Balance Sheet [Table Text Block] + References No definition available. + Details
Name: | usu_DebtorsCondensedBalanceSheetTableTextBlock
Namespace Prefix: | usu_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration