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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets

The changes in the carrying amount of goodwill by reportable segment were as follows:

($ in millions)
Packaging Systems
Delivery Systems
Total
Balance, December 31, 2010
$
36.6

$
75.9

$
112.5

Foreign currency translation
(0.7
)
(0.3
)
(1.0
)
Balance, December 31, 2011
35.9

75.6

111.5

Foreign currency translation
0.8

0.2

1.0

Balance, December 31, 2012
$
36.7

$
75.8

$
112.5



As of December 31, 2012, we had no accumulated goodwill impairment losses.

Intangible assets and accumulated amortization as of December 31 were as follows:

 
2012
2011
($ in millions)
Cost
Accumulated Amortization
Net
Cost
Accumulated Amortization
Net
Patents and licensing
$
19.2

$
(7.8
)
$
11.4

$
17.0

$
(6.7
)
$
10.3

In-process R&D/technology
3.5

(0.1
)
3.4

3.5


3.5

Trademarks
12.1

(1.0
)
11.1

12.0

(0.8
)
11.2

Customer relationships
29.7

(12.9
)
16.8

29.7

(11.2
)
18.5

Customer contracts
11.6

(3.7
)
7.9

11.4

(3.1
)
8.3

Non-compete agreements
3.9

(3.9
)

3.9

(3.7
)
0.2

 
$
80.0

$
(29.4
)
$
50.6

$
77.5

$
(25.5
)
$
52.0



The cost basis of intangible assets includes a foreign currency translation gain of $0.3 million and a loss of $(0.2) million for the twelve months ended December 31, 2012 and 2011, respectively. Amortization expense for the years ended December 31, 2012, 2011 and 2010 was $3.9 million, $4.3 million and $4.1 million, respectively. Estimated annual amortization expense for the next five years is as follows: 2013 - $3.8 million, 2014 - $3.7 million, 2015 - $3.4 million, 2016 - $2.8 million and 2017 - $2.7 million. Trademarks with a carrying amount of $10.0 million were determined to have indefinite lives and therefore do not require amortization. In addition, acquired in-process R&D in the amount of $3.3 million is indefinite-lived until the completion of the associated research and development efforts, at which point the technology will start to be amortized.