XML 98 R27.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Condensed Debtor-in-Possession Financial Information Debtor's Condensed Balance Sheet (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Condensed Debtor-in-Possession Financial Information [Abstract] |
Debtor's Condensed Balance Sheet [Table Text Block] |
Debtor's Condensed Balance Sheet (millions) |
| March 31, 2014
ASSETS |
Current Assets |
Cash and cash equivalents | $ | 13.9 |
Accounts receivable, net | 17.4 |
Inventories | 0.2 |
Receivable from non-filing entity | 2.5 |
Other current assets | 11.3 |
Total current assets | 45.3 |
Property, plant and equipment, net | 1.6 |
Deposits for surety bonds | 29.4 |
Investment in non-filing entities | 484.8 |
Total Assets | $ | 561.1 |
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) |  |
Current Liabilities |  |
Accounts payable and accrued liabilities | $ | 18.0 |
Total current liabilities | 18.0 |
Pension benefit liabilities | 26.2 |
Other long-term liabilities | 24.6 |
Liabilities subject to compromise | 1,000.8 |
Total Liabilities | 1,069.6 |
Stockholders’ Equity (Deficit) | (508.5 | )
Total Liabilities and Stockholders’ Equity (Deficit) | $ | 561.1 |

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