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CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Revenue: |  |
Separative work units | $ 290.2 | $ 537.9
Uranium | 27.6 |
Contract services revenue | 2.6 | 4.1
Total revenue | 320.4 | 542.0
Cost of sales: |  |
Separative work units and uranium | 303.8 | 501.2
Contract services costs | 3.3 | 4.1
Total cost of sales | 307.1 | 505.3
Gross profit | 13.3 | 36.7
Advanced technology costs | 59.3 | 36.7
Selling, general and administrative | 12.9 | 13.6
Special charge for workforce reductions and advisory costs | 2.4 | 6.4
Other (income) | (47.6) |
Operating (loss) | (13.7) | (20.0)
Interest expense | 13.3 | 12.7
Interest (income) | (0.3) | (0.1)
(Loss) from continuing operations before income taxes | (26.7) | (32.6)
Provision (benefit) for income taxes | (3.0) | (3.3)
Net (loss) from continuing operations | (23.7) | (29.3)
Net income from discontinued operations | 21.7 | 0.5
Net (loss) | $ (2.0) | $ (28.8)
Net (loss) per share from continuing operations - basic and diluted | $ (0.19) | $ (0.24)
Net (loss) per share - basic and diluted | $ (0.02) | $ (0.24)
Weighted-average number of shares outstanding: |  |
Weighted average number of shares outstanding - basic and diluted | 123.1 | 122.3

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- Definition Revenue derived from sales of uranium and the uranium component of low enriched uranium (LEU). + References No definition available. + Details
Name: | usu_Uranium
Namespace Prefix: | usu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration