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Fair Value Measurements - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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| Fair Value Disclosures [Line Items] | ||
| Total notional principal amount | $ 25.0 | $ 100.0 |
| Weighted average fixed interest rate of contracts | 2.70% | |
| Weighted average remaining life of contracts | 2 years | |
| Interest rate swap contracts included in Accounts Payable | 1.3 | |
| Unrealised gain on interest rate swap contracts | 1.8 | 3.0 |
| Realised loss on settlements of interest rate swap contracts | $ 2.1 | $ 7.5 |
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- Details
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- Definition
Interest rate swap fair value disclosure. No definition available.
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- Definition
Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition
Fixed interest rate related to the interest rate derivative. No definition available.
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- Definition
The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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