Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
Mar. 31, 2015 |
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| Statement of Comprehensive Income [Abstract] | |||
| Net earnings | $ 158,223 | $ 131,824 | $ 181,525 |
| Other comprehensive (loss) income: | |||
| Net unrealized gain on derivative instruments, net of tax | 1,587 | 483 | 2,158 |
| Pension funded status adjustment, net of tax | (3,694) | 1,858 | (8,512) |
| Foreign currency translation adjustment | (53,730) | 8,035 | (171,830) |
| Total other comprehensive (loss) income, net of tax | (55,837) | 10,376 | (178,184) |
| Total comprehensive income | 102,386 | 142,200 | 3,341 |
| Comprehensive loss attributable to noncontrolling interests | (2,353) | (5,576) | (1,027) |
| Comprehensive income attributable to EnerSys stockholders | $ 104,739 | $ 147,776 | $ 4,368 |
| X | ||||||||||
- Definition Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax No definition available.
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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