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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The changes in the carrying amount of goodwill by reportable segment were as follows:

($ in millions)
Packaging Systems
Delivery Systems
Total
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

Foreign currency translation
1.3

0.4

1.7

Balance, December 31, 2013
$
38.0

$
76.2

$
114.2
Schedule of Intangible Assets by Major Class
Intangible assets and accumulated amortization as of December 31 were as follows:

 
2013
2012
($ in millions)
Cost
Accumulated Amortization
Net
Cost
Accumulated Amortization
Net
Patents and licensing
$
20.7

$
(9.4
)
$
11.3

$
19.2

$
(7.8
)
$
11.4

In-process R&D/technology
3.5

(0.1
)
3.4

3.5

(0.1
)
3.4

Trademarks
12.1

(1.1
)
11.0

12.1

(1.0
)
11.1

Customer relationships
29.7

(14.6
)
15.1

29.7

(12.9
)
16.8

Customer contracts
11.7

(4.2
)
7.5

11.6

(3.7
)
7.9

 
$
77.7

$
(29.4
)
$
48.3

$
76.1

$
(25.5
)
$
50.6