Goodwill and Intangibles, Net (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014
Summary of Goodwill and intangible assets
Gross amount, Total	$ 193,520	$ 210,467
Accumulated amortization, Total	(67,303)	(68,086)
Intangibles, Net	6,400us-gaap_FiniteLivedIntangibleAssetsNet
Goodwill and intangible assets, Net Total	126,217xide_GoodwillAndIntangibleAssetsNet	142,381xide_GoodwillAndIntangibleAssetsNet
Trademarks and Tradenames (subject to amortization)
Summary of Goodwill and intangible assets
Intangibles, Gross amount	12,849	13,996
Intangibles, Accumulated amortization	(10,770)	(10,961)
Intangibles, Net	2,079	3,035
Customer Relationships
Summary of Goodwill and intangible assets
Intangibles, Gross amount	99,399	107,993
Intangibles, Accumulated amortization	(43,915)	(44,349)
Intangibles, Net	55,484	63,644
Technology
Summary of Goodwill and intangible assets
Intangibles, Gross amount	23,908	26,030
Intangibles, Accumulated amortization	(12,618)	(12,776)
Intangibles, Net	11,290	13,254
Goodwill (not subject to amortization)
Summary of Goodwill and intangible assets
Goodwill, Gross amount	876	916
Goodwill, Net	876	916
Trademarks and Tradenames (not subject to amortization)
Summary of Goodwill and intangible assets
Intangibles, Gross amount	56,488	61,532
Intangibles, Net	$ 56,488	$ 61,532

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

+ Details

Name:	us-gaap_GoodwillGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Goodwill and finite lived intangible assets, accumulated amortization.

+ References

No definition available.

+ Details

Name:	xide_GoodwillAndFiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix:	xide_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Goodwill and finite lived intangible assets, gross.

+ References

No definition available.

+ Details

Name:	xide_GoodwillAndFiniteLivedIntangibleAssetsGross
Namespace Prefix:	xide_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Goodwill and intangible assets net.

+ References

No definition available.

+ Details

Name:	xide_GoodwillAndIntangibleAssetsNet
Namespace Prefix:	xide_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Indefinite lived intangible assets gross.

+ References

No definition available.

+ Details

Name:	xide_IndefiniteLivedIntangibleAssetsGross
Namespace Prefix:	xide_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Indefinite lived intangible assets net.

+ References

No definition available.

+ Details

Name:	xide_IndefiniteLivedIntangibleAssetsNet
Namespace Prefix:	xide_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	xide_ScheduleOfGoodwillAndIntangibleAssetsByMajorAbstract
Namespace Prefix:	xide_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentedTechnologyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=xide_TrademarksAndTradenamesSubjectToAmortizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_GoodwillMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=xide_TrademarksAndTradenamesNotSubjectToAmortizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: