Basis of presentation and accounting policies.

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Current exchange rate for essential items.

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Current exchange rate for non essential items.

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Estimated unfavorable impact on bookings on shipments.

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Maximum percentage of revenue on fixed fee services.

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Percentage of completion revenue.

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Percentage of subsidiaries sales and total assets to consolidated sales and assets.

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Period of delivery of products and services.

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Period of extension of contract.

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Subsequent foreign currency exchange rate change.

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Unfavorable impact on operating income due to shipment delays.

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The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 45, 46, 47

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Aggregate realized and unrealized loss on foreign currency transactions included in net income. Includes loss 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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 52
-Paragraph 15, 20, 30

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Basis of Presentation and Accounting Policies (Details)	3 Months Ended		6 Months Ended		9 Months Ended
Basis of Presentation and Accounting Policies (Details)	Jun. 30, 2011 USD ($)	Jun. 30, 2010	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Dec. 31, 2011 USD ($)	Jan. 11, 2010 VEF
Basis of Presentation and Accounting Policies (Textuals) [Abstract]
Unfavorable impact on operating income	$ 2,500,000		$ 5,100,000
Estimated unfavorable impact on bookings on shipments					25,000,000
Previous exchange rate						2.15
Current exchange rate for non essential items						4.30
Current exchange rate for essential items						2.60
Percentage of subsidiaries sales and total assets to consolidated sales and assets			1% or less	1% or less
Recognized loss due to currency devaluation				8,600,000
Impairment of assets			$ 0
Period of delivery of products and services			one to two-year period
Percentage of completion revenue	8.00%	8.00%	8.00%	8.00%
Period of extension of contract			5 years
Maximum percentage of revenue on fixed fee services	1.00%	1.00%	1.00%	1.00%