Business Acquisition, Estimated Total Consideration to be Transferred

No definition available.

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- Definition

Expected research and development expenses expected to be incurred as a result of a business acquisition.

+ References

No definition available.

+ Details

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- Definition

Research and development expenses incurred as a result of a business acquisition.

+ References

No definition available.

+ Details

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- Definition

Research and development expenses incurred as a result of a business acquisition during the first milestone.

+ References

No definition available.

+ Details

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Namespace Prefix:	amcc_
Data Type:	xbrli:monetaryItemType
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- Definition

Research and development expenses incurred as a result of a business acquisition during the second milestone.

+ References

No definition available.

+ Details

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Namespace Prefix:	amcc_
Data Type:	xbrli:monetaryItemType
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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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Summary of Significant Accounting Policies - Veloce Consideration (Details) (Veloce Technologies Inc [Member], USD $) In Millions, unless otherwise specified	12 Months Ended	46 Months Ended
	Mar. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 20, 2012
Veloce Technologies Inc [Member]
Variable Interest Entity [Line Items]
Total consideration to be transferred			$ 178.5	$ 135.0
Total research and development expenses expected to be incurred	142.8	142.8
Initial consideration according to merger agreement				60.4
Research and development expenses incurred	66.2	126.6
Expenses recognized during first milestone	37.0
Expenses recognized during second milestone	$ 29.2