Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - $ / shares
6 Months Ended
Feb. 28, 2019
Mar. 31, 2019
Aug. 31, 2018
Document Information [Line Items]      
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Feb. 28, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus Q2    
Trading Symbol ATU    
Entity Registrant Name ACTUANT CORP    
Entity Central Index Key 0000006955    
Current Fiscal Year End Date --08-31    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   61,418,202  
Entity Small Business false    
Entity Emerging Growth Company false    
Common Class A      
Document Information [Line Items]      
Common Stock, Par or Stated Value Per Share $ 0.2   $ 0.2
Common Stock, Shares Authorized 168,000,000   168,000,000
Common Stock, Shares, Issued 81,831,531   81,423,584