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The Company - Additional Information (Detail)
 0 Months Ended
Dec. 27, 2012
Mar. 30, 2012
Bolt    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Ownership Percentage 53.00%acta_OwnershipPercentage
/ us-gaap_StatementEquityComponentsAxis
= acta_BoltMember		  
MSDSonline One    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Ownership Percentage   96.00%acta_OwnershipPercentage
/ us-gaap_StatementEquityComponentsAxis
= acta_MsdsonlineOneMember