Quarterly report pursuant to Section 13 or 15(d)

Write Down of Long-Lived Assets (Details)

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Write Down of Long-Lived Assets (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2012
item
Write Down of Long-Lived Assets.    
Impairment charges related to Film and Electrolytic $ 4,234 $ 4,234
Number of manufacturing facilities within Italy   2