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Restricted Cash and Cash Equivalents - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
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Mar. 31, 2014
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| Cash and Cash Equivalents [Abstract] | ||
| Restricted cash and cash equivalents related to insurance policy | $ 5.0jhx_RestrictedCashAndCashEquivalentsRelatedToInsurancePolicy | $ 5.0jhx_RestrictedCashAndCashEquivalentsRelatedToInsurancePolicy |
| X | ||||||||||
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- Definition
Restricted cash and cash equivalents related to insurance policy. No definition available.
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| X | ||||||||||
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- Details
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