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Stock-Based Compensation
 9 Months Ended
Sep. 30, 2013
Share-based Compensation [Abstract]  
Stock-Based Compensation
STOCK-BASED COMPENSATION
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2013
 
2012
 
2013
 
2012
 
(millions)
Total stock-based compensation costs:
 
 
 
 
 
 
 
Restricted stock and restricted stock units
$
0.3

 
$
0.7

 
$
1.6

 
$
3.2

Stock options, performance awards and other
—

 
0.1

 
0.1

 
0.6

Less: costs capitalized as part of inventory
—

 
—

 
—

 
(0.1
)
Expense included in selling, general and administrative and advanced technology costs
$
0.3

 
$
0.8

 
$
1.7

 
$
3.7

Total recognized tax benefit
$
—

 
$
—

 
$
—

 
$
—



The total recognized tax benefit is reported at the federal statutory rate net of the tax valuation allowance.

Stock-based compensation cost is measured at the grant date, based on the fair value of the award, and is recognized over the requisite service period, which is either immediate recognition if the employee is eligible to retire, or on a straight-line basis until the earlier of either the date of retirement eligibility or the end of the vesting period. There was no stock-based compensation granted in the nine months ended September 30, 2013. As of September 30, 2013, there was $1.1 million of unrecognized compensation cost, adjusted for estimated forfeitures, related to non-vested restricted shares and restricted stock units granted. That cost is expected to be recognized over a weighted-average period of 1.2 years.

On January 10, 2013, the Compensation Committee of the Board of Directors approved the surrender and cancellation of 2,462,726 unexercised stock options and suspended the Annual Incentive Program and Long Term Incentive Program for 2013 under the USEC Inc. 2009 Equity Incentive Plan.