v3.7.0.1

Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Condensed Statements of Income (Detail) - Designated as Hedging Instrument - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized in AOCI on Derivatives (Effective Portion) | $ 8,752 | $ (6,384) | $ 463
Gain (Loss) Reclassified from AOCI (Effective Portion) | 6,236 | (7,144) | (2,961)
Lead hedge forward contracts |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized in AOCI on Derivatives (Effective Portion) | 7,907 | (3,361) | (7,743)
Foreign currency forward contracts |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized in AOCI on Derivatives (Effective Portion) | 845 | (3,023) | 8,206
Cost of Sales | Lead hedge forward contracts |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Reclassified from AOCI (Effective Portion) | 5,803 | (11,085) | (4,347)
Cost of Sales | Foreign currency forward contracts |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Reclassified from AOCI (Effective Portion) | $ 433 | $ 3,941 | $ 1,386

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + 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 (c) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + 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 (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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