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Acquisitions (Details Textual) (USD $)
12 Months Ended 12 Months Ended
Dec. 31, 2011
PrintXcel and Printegra [Member]
Aug. 31, 2012
PrintXcel and Printegra [Member]
Feb. 10, 2012
PrintXcel and Printegra [Member]
Dec. 31, 2010
PrintGraphics [Member]
Aug. 31, 2012
PrintGraphics [Member]
Sep. 30, 2011
PrintGraphics [Member]
Acquisitions and Disposal (Textual) [Abstract]            
Acquired assets and assumed trade liabilities     $ 40,000,000      
Sales of the purchased operations 74,400,000     15,100,000    
Purchase of outstanding stock and associated land and building           6,000,000
Net purchase price of other assets and acquired inventory   $ 36,233,000     $ 5,986,000