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Goodwill and Other Intangible Assets - Schedule of Changes in the Carrying Value of Goodwill by Segment (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Goodwill [Line Items]    
Goodwill gross $ 4,745.9 $ 4,768.3
Accumulated impairment losses (2,999.7) (3,024.7)
Goodwill 1,746.2 1,743.6
Foreign exchange and other adjustments 2.6  
Publishing and Retail Services    
Goodwill [Line Items]    
Goodwill gross 739.2 739.2
Accumulated impairment losses (688.0) (688.0)
Goodwill 51.2 51.2
Foreign exchange and other adjustments 0.0  
Variable Print    
Goodwill [Line Items]    
Goodwill gross 1,914.9 1,914.0
Accumulated impairment losses (1,105.2) (1,105.2)
Goodwill 809.7 808.8
Foreign exchange and other adjustments 0.9  
Strategic Services    
Goodwill [Line Items]    
Goodwill gross 991.3 991.5
Accumulated impairment losses (219.1) (219.7)
Goodwill 772.2 771.8
Foreign exchange and other adjustments 0.4  
International    
Goodwill [Line Items]    
Goodwill gross 1,100.5 1,123.6
Accumulated impairment losses (987.4) (1,011.8)
Goodwill 113.1 $ 111.8
Foreign exchange and other adjustments $ 1.3