Rendering

Component: (Network and Table)
Network
2314301 - Disclosure - Stock-Based Compensation (Tables)
(http://www.centrusenergy.com/role/StockBasedCompensationTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001065059 (http://www.sec.gov/CIK)
Share-based Compensation [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Share-based Compensation [Abstract]
 
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
A summary of stock-based compensation costs follows (in millions):
 
Year Ended December 31,
 
2016
 
2015
 
 
 
 
Total stock-based compensation costs:
 
 
 
Restricted stock units
$
0.2

 
$
0.2

Stock options
0.3

 
0.2

Expense included in selling, general and administrative expense
$
0.5

 
$
0.4

 
 
 
 
Total recognized tax benefit
$
—

 
$
—

  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Assumptions used in the Black-Scholes option pricing model to value option grants follow:
 
Year Ended December 31,
 
2016
 
2015
 
 
 
 
Risk-free interest rate
1.91%
 
1.91%
Expected volatility
75%
 
75%
Expected option life (years)
6
 
6
Weighted-average grant date fair value
$1.77
 
$2.62
Options granted (in thousands)
15
 
437
  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Stock options vest and become exercisable in equal annual installments over a three or four year period and expire ten years from the date of grant. A summary of stock option activity follows:
 
 
Stock Options (thousands)
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Life in Years
 
Aggregate Intrinsic Value (millions)
 
 
 
 
 
 
 
 
 
Outstanding at December 31, 2015
 
475
 
$4.09
 
9.3
 
$—
Granted
 
15
 
$2.68
 
 
 
 
Exercised
 
—
 
—
 
 
 
 
Forfeited/Cancelled
 
(7)
 
$5.62
 
 
 
 
Outstanding at December 31, 2016
 
483
 
$4.02
 
8.4
 
$1.1
Exercisable at December 31, 2016
 
141
 
$4.12
 
8.3
 
$0.3
  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Stock options outstanding and options exercisable at December 31, 2016, follow:
Stock Exercise Price
 
Options Outstanding (thousands)
 
Weighted Average Remaining Contractual Life in Years
 
Options Exercisable (thousands)
 
 
 
 
 
 
 
$5.62
 
30
 
7.9
 
20.0
$4.37
 
300
 
8.2
 
75.0
$3.90
 
23
 
8.6
 
8.0
$3.93
 
15
 
8.6
 
5.0
$2.71
 
50
 
8.8
 
16.0
$2.75
 
50
 
8.8
 
17.0
$2.68
 
15
 
9.5
 
—