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Restructuring, Impairment and Other Charges - Other Charges - Narrative (Detail)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
PensionPlans
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
PensionPlans
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Restructuring Cost And Reserve [Line Items]          
Other Charges $ 1.3 $ 9.7 $ 23.1 $ 34.0  
Accrued liabilities 793.7   793.7   $ 867.3
Other noncurrent liabilities 381.8   381.8   $ 395.6
Multi-employer pension plan withdrawal obligations          
Restructuring Cost And Reserve [Line Items]          
Other Charges   $ 9.7   $ 34.0  
Accrued liabilities 10.8   10.8    
Other noncurrent liabilities $ 83.7   83.7    
Courier Corporation          
Restructuring Cost And Reserve [Line Items]          
Restructuring, integration charges     $ 19.1    
Number of multi-employer pension plans | PensionPlans 2   2    
Multi-employer pension plan company's contributions percentage     70.00%    
Multi-employer critical zone identification contribution percentage     65.00%