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Goodwill and Intangible Assets, Net - Schedule of Changes in Goodwill (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Goodwill [Roll Forward]      
Goodwill, gross   $ 856.1 $ 778.4
Additions $ 124.0 70.1  
Foreign currency translation and other (9.6) [1] 7.6  
Accumulated impairment losses 0.0 0.0  
Goodwill 970.5 856.1  
Investor Communication Solutions [Member]      
Goodwill [Roll Forward]      
Goodwill, gross   583.1 513.0
Additions 98.5 70.1  
Foreign currency translation and other (0.2) [1] 0.0  
Accumulated impairment losses 0.0 0.0  
Goodwill 681.4 583.1  
Goodwill transferred 10.6    
Global Technology And Operations [Member]      
Goodwill [Roll Forward]      
Goodwill, gross   273.0 $ 265.4
Additions 25.5 0.0  
Foreign currency translation and other (9.4) [1] 7.6  
Accumulated impairment losses 0.0 0.0  
Goodwill 289.1 $ 273.0  
Goodwill transferred $ (10.6)    
[1] Includes $10.6 million of Goodwill transferred from Global Technology and Operations to Investor Communication Solutions during the fiscal year ended June 30, 2015 related to the organizational change discussed further in Note 17, “Financial Data by Segment”.