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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Mar. 31, 2014
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Mar. 31, 2013
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Mar. 31, 2012
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| Commitments And Contingencies Disclosure [Abstract] | |||
| Net of estimated recoveries from third-party | $ 12.7 | $ 15.2 | |
| Additional loss due to legacy claims | 3.6 | ||
| Rental expense | 18.0 | 20.6 | 19.6 |
| Acquisition of plant and equipment and other purchase obligations | $ 0 | ||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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