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Note 6 - Goodwill and Other Intangible Assets (Detail) - The change in the carrying amount of goodwill is as follows: (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Net balance   $ 107,801
Goodwill impairment charge (78,609) (78,609)
Net balance $ 29,192 $ 29,192