Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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- Definition

Aggregate realized and unrealized gain on foreign currency transactions included in net income. Includes gain on a foreign currency forward exchange contract. Does not include foreign currency transactions designated as hedges of net investment in a foreign entity or intercompany foreign currency transactions that are of a long-term nature. Gross of tax effect.

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Forward and Swap Contracts Level 4 (Details) (USD $) In Thousands	3 Months Ended
	Jun. 30, 2011 Selling, General and Administrative Expenses [Member]	Jun. 30, 2010 Selling, General and Administrative Expenses [Member]	Jun. 30, 2011 Cost of Sales [Member]	Jun. 30, 2010 Cost of Sales [Member]	Jun. 30, 2011 Other Assets [Member]	Mar. 31, 2011 Other Assets [Member]	Jun. 30, 2011 Accrued Liabilities [Member]	Mar. 31, 2011 Accrued Liabilities [Member]
Derivative [Line Items]
Derivative Assets					$ 346	$ 1,483	$ 0	$ 0
Derivative Liabilities					0	0	324	41
Foreign Currency Transaction Gain, before Tax	266	(834)
Gain (Loss) on Sale of Commodity Contracts			$ (479)	$ (781)