v2.4.0.6

Derivative Financial Instruments - Additional Information (Detail) In Thousands, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2013 USD ($) | Mar. 31, 2012 USD ($) | Mar. 31, 2013 Not Designated as Hedging Instrument USD ($) | Mar. 31, 2012 Not Designated as Hedging Instrument USD ($) | Mar. 31, 2013 Cost of Sales USD ($) | Mar. 31, 2013 Interest rate swap agreements | Mar. 31, 2013 Interest rate swap agreements Other (Income) Expense Not Designated as Hedging Instrument USD ($) | Mar. 31, 2012 Interest rate swap agreements Other (Income) Expense Not Designated as Hedging Instrument USD ($) | Mar. 31, 2013 Lead hedge forward contracts GBP (£) | Mar. 31, 2012 Lead hedge forward contracts GBP (£) | Mar. 31, 2013 Foreign currency forward contracts USD ($) | Mar. 31, 2012 Foreign currency forward contracts USD ($) | Mar. 31, 2013 Foreign currency forward contracts Other (Income) Expense Not Designated as Hedging Instrument USD ($) | Mar. 31, 2012 Foreign currency forward contracts Other (Income) Expense Not Designated as Hedging Instrument USD ($)
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | £ 56,300 | £ 60,000 | $ 21,749 | $ 11,410 |  |
Hedge forward contracts, maturity |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |
Foreign currency forward contracts | 51,366 | 42,121 |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency contract, maturity | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative gain (loss) to be recorded in income within 12 months, before tax |  |  |  |  | 1,389 |  |  |  |  |  |  |  |  |
Interest rate swap agreements converted into fixed rate basis | 65,000 | 85,000 |  |  |  |  |  |  |  |  |  |  |  |
Derivative, maturity date |  |  |  |  |  | May 01, 2013 |  |  |  |  |  |  |  |
Change in fair value recorded in other (income) expense, net |  |  | 101 | 977 |  |  |  |  |  |  |  |  |  |
(Gain) Loss Recognized in Income on Derivatives |  |  | $ (2,496) | $ 1,083 |  |  | $ 101 | $ 977 |  |  |  |  | $ (2,597) | $ 106

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- Definition Derivative Instruments Gain (Loss) Reclassified from Accumulated O C I into Income Effective Portion Before Tax + References No definition available. + Details
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- Definition Derivative Instruments Gain (Loss) Recognized In Income Ineffective Portion + References No definition available. + Details
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- Definition Hedging Derivatives, Maturity, Upper Limit + References No definition available. + Details
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- Definition Maximum Term for Foreign Currency Forward Exchange Contracts + References No definition available. + Details
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- Definition Notional amount of variable rate debt converted into fixed rate debt + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Net gain (loss) from the increase (decrease) in fair value of derivative instrument not designated as hedging instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(1)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Date the derivative contract matures, in CCYY-MM-DD format. + References No definition available. + Details
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- Details
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- Definition Aggregate notional amount of foreign currency derivatives to purchase a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 + Details
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