v2.4.1.9

MAJOR CUSTOMERS (Summary of Net Revenues) (Details) (Net revenues [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue, Major Customer [Line Items]
Concentration of credit risk	66.00%us-gaap_ConcentrationRiskPercentage1	28.00%us-gaap_ConcentrationRiskPercentage1	56.00%us-gaap_ConcentrationRiskPercentage1
Customer A [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk			11.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerOneMember
Customer B [Memeber]
Revenue, Major Customer [Line Items]
Concentration of credit risk	18.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerTwoMember
Customer C [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk		13.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerThreeMember
Customer D [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk
Customer E [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk	15.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerFiveMember	15.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerFiveMember	17.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerFiveMember
Customer F [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk			17.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerSixMember
Customer G [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk	11.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerSevenMember		11.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerSevenMember
Customer J [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk	12.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerNineMember
Customer K [Member]
Revenue, Major Customer [Line Items]
Concentration of credit risk	10.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueSegmentMember / us-gaap_MajorCustomersAxis = acts_MajorCustomerTenMember

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

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X

- Details

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- Details

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- Details

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