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Commitment and Contingencies (Details Textual) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||||
|---|---|---|---|---|---|
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Mar. 31, 2012
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Mar. 31, 2011
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Mar. 31, 2010
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Dec. 17, 2010
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Sep. 30, 2010
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| Commitment and Contingencies (Textual) [Abstract] | |||||
| Litigation settlement | $ 10.3 | ||||
| Litigation settlement percentage of costs payable | 90.00% | ||||
| Rental expense | 16.0 | 15.3 | 13.2 | ||
| Acquisition of plant and equipment and other purchase obligations | $ 0.7 | ||||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Litigation cost recovery. No definition available.
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| X | ||||||||||
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- Definition
Litigation settlement percentage of costs payable. No definition available.
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| X | ||||||||||
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- Definition
Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation to be paid within one year of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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