v2.4.0.6

TIME DEPOSIT (Details)	12 Months Ended
	Dec. 31, 2012
TIME DEPOSIT [Abstract]
Time deposit, fixed interest rate	2.58%
Time deposit, maturity date	Dec. 31, 2013

X

- Definition

The contractual fixed interest rate for time deposits.

+ References

No definition available.

+ Details

Name:	acts_TimeDepositsFixedInterestRate
Namespace Prefix:	acts_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	acts_TimeDepositsMaturityDate
Namespace Prefix:	acts_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration