Fair Value of Financial Instruments (Tables)

12 Months Ended

Mar. 31, 2013

Financial Assets And (Liabilities), Measured At Fair Value On A Recurring Basis

The following tables represent the financial assets and (liabilities), measured at fair value on a recurring basis as of March 31, 2013 and March 31, 2012 and the basis for that measurement:


	Total Fair Value Measurement March 31, 2013			Quoted Price in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Interest rate swap agreements	$	(654	)	$	—	$	(654	)	$	—
Lead forward contracts		(2,832	)		—		(2,832	)		—
Foreign currency forward contracts		(11	)		—		(11	)		—

Total derivatives	$	(3,497	)	$	—	$	(3,497	)	$	—


	Total Fair Value Measurement March 31, 2012			Quoted Price in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Interest rate swap agreements	$	(3,872	)	$	—	$	(3,872	)	$	—
Lead forward contracts		(851	)		—		(851	)		—
Foreign currency forward contracts		782			—		782			—

Total derivatives	$	(3,941	)	$	—	$	(3,941	)	$	—

Carrying Amounts And Estimated Fair Values Of Company's Financial Instruments

The carrying amounts and estimated fair values of the Company’s derivatives and Convertible Notes at March 31, 2013 and 2012 were as follows:


	March 31, 2013						March 31, 2012
	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Financial assets:
Derivatives⁽¹⁾	$	241		$	241		$	812		$	812

Financial liabilities:
Convertible Notes	$	155,273	⁽²⁾	$	217,350	⁽³⁾	$	148,272	⁽²⁾	$	200,100	⁽³⁾
Derivatives⁽¹⁾		3,738			3,738			4,753			4,753

(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).

(2)

The carrying amounts of the Convertible Notes at March 31, 2013 and March 31, 2012 represent the $172,500 principal value, less the unamortized debt discount (see Note 8).

(3)

The fair value amounts of the Convertible Notes represent the trading values of the Convertible Notes with a principal value of $172,500 at March 31, 2013 and March 31, 2012.

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-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.

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-Publisher FASB

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-Publisher FASB

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-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 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

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-Name Accounting Standards Codification

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+ Details

- Definition

The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

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-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 33

-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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-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 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-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.

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-Name Statement of Financial Accounting Standard (FAS)

-Number 157

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