Restructuring and Asset Impairment Charges Employee Separation and Other Cash Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Restructuring Reserve [Roll Forward]
Beginning balance		$ 397us-gaap_RestructuringReserve	$ 668us-gaap_RestructuringReserve	$ 1,960us-gaap_RestructuringReserve
Period charges		8,618us-gaap_RestructuringCharges	2,275us-gaap_RestructuringCharges	(55)us-gaap_RestructuringCharges
Payments through March 31		(928)us-gaap_PaymentsForRestructuring	(2,546)us-gaap_PaymentsForRestructuring	(1,237)us-gaap_PaymentsForRestructuring
Ending balance	397us-gaap_RestructuringReserve	8,087us-gaap_RestructuringReserve	397us-gaap_RestructuringReserve	668us-gaap_RestructuringReserve
Non-cash charges	819us-gaap_AssetImpairmentCharges	500us-gaap_AssetImpairmentCharges	2,836us-gaap_AssetImpairmentCharges	0us-gaap_AssetImpairmentCharges
South America [Member]
Restructuring Reserve [Roll Forward]
Beginning balance		0	0	183
Period charges		2,328	433	(143)
Payments through March 31		(411)	(433)	(40)
Ending balance	0	1,917	0	0
Value Added Services [Member]
Restructuring Reserve [Roll Forward]
Beginning balance		0	0	0
Period charges		0	0	0
Payments through March 31		0	0	0
Ending balance	0	0	0	0
Non-cash charges		500
Other regions [Member]
Restructuring Reserve [Roll Forward]
Beginning balance		397	668	1,777
Period charges		6,290	1,842	88
Payments through March 31		(517)	(2,113)	(1,197)
Ending balance	397	6,170	397	668
Non-cash charges			$ 2,836

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

+ Details

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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

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-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

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-Name Accounting Standards Codification

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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-Publisher SEC

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