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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - shares
shares in Millions
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Courier Corporation    
Issuance of stock for acquisitions of businesses 8.0  
Consolidated Graphics, Esselte and MultiCorpora    
Issuance of stock for acquisitions of businesses   17.0