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Restructuring, Impairment and Other Charges - Other Charges - Narrative (Detail)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
USD ($)
PensionPlans
Jun. 30, 2014
USD ($)
Jun. 30, 2015
USD ($)
PensionPlans
Jun. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Restructuring Cost And Reserve [Line Items]          
Other Charges $ 20.5 $ 3.8 $ 21.8 $ 24.3  
Restructuring, impairment and other charges 32.2 22.8 52.0 68.0  
Accrued liabilities 722.7   722.7   $ 867.3
Other noncurrent liabilities 392.4   392.4   $ 395.6
Multi-employer pension plan withdrawal obligations          
Restructuring Cost And Reserve [Line Items]          
Other Charges   $ 3.8   $ 24.3  
Accrued liabilities 11.1   11.1    
Other noncurrent liabilities 85.0   85.0    
Courier Corporation          
Restructuring Cost And Reserve [Line Items]          
Restructuring, impairment and other charges $ 19.1   $ 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%