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Sale of NAC Subsidiary (Tables)
9 Months Ended
Sep. 30, 2013
Discontinued Operation, Additional Disclosures [Abstract]  
Schedule of Discontinued Operations Income Statement Disclosures [Table Text Block]
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2013
 
2012
 
2013
 
2012
Revenue
$

 
$
7.5

 
$
13.7

 
$
38.0

Cost of sales

 
6.6

 
11.8

 
32.9

Gross profit

 
0.9

 
1.9

 
5.1

Advanced technology costs

 
0.2

 

 
0.6

Selling, general and administrative

 
1.5

 
1.8

 
4.4

Operating income (loss)

 
(0.8
)
 
0.1

 
0.1

Gain on sale of subsidiary

 

 
35.6

 

Income (loss) before income taxes

 
(0.8
)
 
35.7

 
0.1

Provision (benefit) for income taxes

 
(0.3
)
 
14.0

 

Net income (loss) from discontinued operations
$

 
$
(0.5
)
 
$
21.7

 
$
0.1