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RELATED PARTY TRANSACTION RELATED PARTY TRANSACTION - Narrative (Details) - $ / shares
1 Months Ended 12 Months Ended
May 12, 2016
May 31, 2016
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Related Party Transaction [Line Items]          
Purchase of common shares     1,132,452 304,859 228,789
Schawk Inc | Director and President          
Related Party Transaction [Line Items]          
Purchase of common shares   970,000      
Purchase price (in dollars per share)   $ 50.6921625      
Average of high/low trading prices (as a percent) 96.76%