Number of single external customers who account for 10 percent or more of entity's revenues individually.

No definition available.

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- Definition

Number of customers who account for majority portion of revenue.

+ References

No definition available.

+ Details

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- Definition

Number of sites to which the entity has been designated as a potentially responsible party by United States Environmental Protection Agency ("USEPA").

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of top customers who accounted for majority portion of trade accounts receivables.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

Represents the reduction in selling, general and administrative expense associated changes to the estimated VAT obligation.

+ References

No definition available.

+ Details

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- Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

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-Publisher FASB

-Name Accounting Standards Codification

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-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

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- Definition

The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-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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- Definition

The payments made in the period which reduced loss contingency liabilities.

+ References

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- Definition

The increase (decrease) in the period in loss contingency liabilities.

+ References

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- Definition

The charge against earnings in the period to increase loss contingency liabilities, net of any adjustments to reduce previously estimated charges.

+ References

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-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

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349

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- Definition

Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 5

-Article 9

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-Publisher FASB

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-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7

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Contingencies and Litigation (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Concentration Risk [Line Items]
Number of major customers	1		1
Number of customers	10
Number of top customers	10
European value added tax [Abstract]
Value added tax payable	4.4	10.7
Reduction to selling general and administrative expense	(1.6)
Environmental Matters [Abstract]
Number of sites (in sites)	3
Reserves for environmental matters	5.2	6.9
Additional reserves			4.9
Continuing Operations [Member]
Environmental Matters [Abstract]
Additional reserves		1.0
Discontinued Operations [Member]
Environmental Matters [Abstract]
Additional reserves		(0.5)	2.9
Trade Compliance [Member]
Loss Contingencies [Line Items]
Estimated contingent liability			4.5
Decrease in estimated contingent liability		2.3
Trade Compliance [Member] \| Government Agency 1 [Member]
Loss Contingencies [Line Items]
Voluntary payment to reduce liability		2.1
Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (in hundredths)	59.00%	61.00%	58.00%
Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (in hundredths)	51.00%	54.00%