Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($)		12 Months Ended
Aug. 22, 2012	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Unrealized gain on available-for-sale investments, tax			$ 0	$ 0
Release of unrealized loss on available-for-sale investments, tax		$ 0	0
Common Stock [Member]
Special cash dividend	$ 1
Accumulated Other Comprehensive Income (Loss) [Member]
Unrealized gain on available-for-sale investments, tax			0	0
Release of unrealized loss on available-for-sale investments, tax		0	0
Total Global-Tech Shareholders' Equity [Member]
Unrealized gain on available-for-sale investments, tax			0	$ 0
Release of unrealized loss on available-for-sale investments, tax		$ 0	$ 0

Other comprehensive income release of unrealized loss on available for sale investments tax portion.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

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-Section 45

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-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

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