Short-Term Borrowing Arrangements (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Short-term Debt [Line Items]
Short-term debt	$ 330,254us-gaap_ShortTermBorrowings	$ 212,669us-gaap_ShortTermBorrowings
Unused lines of credit	669,428
Compensating balance	2,122us-gaap_CompensatingBalanceAmount	444us-gaap_CompensatingBalanceAmount
Line of Credit [Member]
Short-term Debt [Line Items]
Short-term debt, maximum outstanding amount	795,746	773,471
Short-term debt, weighted average interest rate	5.10%	4.30%
Short-term debt	330,254	212,669
Unused lines of credit	448,265	544,869
Inventory pledged as collateral	56,210	17,415
Compensating balance	2,122	444
Letter of Credit [Member]
Short-term Debt [Line Items]
Unused lines of credit	17,227
Non-US Based [Member] \| Line of Credit [Member]
Short-term Debt [Line Items]
Short-term debt	$ 61,820	$ 18,598

Inventory Pledged as Collateral

No definition available.

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- Definition

The amount of a specific compensating balance arrangement that is maintained under an agreement for a bank loan or future credit availability.

+ References

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-Publisher SEC

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

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

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-Name Regulation S-X (SX)

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- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period.

+ References

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

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-Name Industry Guide

-Number 3

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- Definition

Weighted average interest rate of short-term debt outstanding.

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