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2424404 - Disclosure - Components of Accumulated Other Comprehensive Income (Detail)
(http://www.enersys.com/role/ComponentsOfAccumulatedOtherComprehensiveIncomeDetail)
TableAccumulated Other Comprehensive Income (Loss) [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001289308 (http://www.sec.gov/CIK)
Accumulated Other Comprehensive Income (Loss) [Line Items]Period [Axis]
2015-04-01 - 2016-03-31
2014-04-01 - 2015-03-31
2013-04-01 - 2014-03-31
Equity Components [Axis]Equity Components [Axis]Equity Components [Axis]
Pension funded status adjustmentNet unrealized gain (loss) on derivative instrumentsForeign currency translation adjustmentEquity Component [Domain]Pension funded status adjustmentNet unrealized gain (loss) on derivative instrumentsForeign currency translation adjustmentEquity Component [Domain]Pension funded status adjustmentNet unrealized gain (loss) on derivative instrumentsForeign currency translation adjustmentEquity Component [Domain]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
 
 
 
 
 
 
 
 
 
 
 
 
Beginning Balance
(23,719,000) 
(95,000) 
(85,161,000) 
(108,975,000) 
(15,207,000) 
(2,253,000) 
85,305,000  
67,845,000  
(13,169,000) 
(832,000) 
54,656,000  
40,655,000  
Before Reclassifications
298,000  
(4,027,000) 
9,285,000  
5,556,000  
(9,259,000) 
289,000  
(170,466,000) 
(179,436,000) 
(2,662,000) 
(1,414,000) 
30,649,000  
26,573,000  
Amount Reclassified from AOCI
1,560,000  
4,510,000  
0  
6,070,000  
747,000  
1,869,000  
0  
2,616,000  
624,000  
(7,000) 
0  
617,000  
Ending Balance
(21,861,000) 
 
388,000  
 
(75,876,000) 
 
(97,349,000) 
 
(23,719,000) 
 
(95,000) 
 
(85,161,000) 
 
(108,975,000) 
 
(15,207,000) 
 
(2,253,000) 
 
85,305,000  
 
67,845,000