v2.4.0.6

Fair Value of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Mar. 31, 2012
Derivatives, Fair Value [Line Items]
Derivatives assets, Fair Value	$ 241	[1]	$ 812	[1]
Derivatives liabilities, Fair Value	3,738	[1]	4,753	[1]
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives assets, Fair Value			700
Derivatives liabilities, Fair Value	3,084		881
Designated as Hedging Instrument | Prepaid and other current assets | Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Derivatives assets, Fair Value			670
Designated as Hedging Instrument | Other assets | Lead hedge forward contracts
Derivatives, Fair Value [Line Items]
Derivatives assets, Fair Value			30
Designated as Hedging Instrument | Accrued expenses | Lead hedge forward contracts
Derivatives, Fair Value [Line Items]
Derivatives liabilities, Fair Value	2,832		881
Designated as Hedging Instrument | Accrued expenses | Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Derivatives liabilities, Fair Value	252
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives assets, Fair Value	241		112
Derivatives liabilities, Fair Value	654		3,872
Not Designated as Hedging Instrument | Prepaid and other current assets | Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Derivatives assets, Fair Value	241		112
Not Designated as Hedging Instrument | Accrued expenses | Interest rate swap agreements
Derivatives, Fair Value [Line Items]
Derivatives liabilities, Fair Value	654		3,628
Not Designated as Hedging Instrument | Other liabilities | Interest rate swap agreements
Derivatives, Fair Value [Line Items]
Derivatives liabilities, Fair Value			$ 244
[1] Represents interest rate swap agreements, lead and foreign currency hedges (see Note 12 for asset and liability positions of the interest rate swap agreements, lead and foreign currency hedges at March 31, 2013 and March 31, 2012).

X

- Definition

Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph a

-Clause 1

-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.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

+ Details

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

X

- Definition

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-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.



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph a

-Clause 1

-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.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

+ Details

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

X

- Details

Name:	us-gaap_DerivativesFairValueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration