Rendering

Component: (Network and Table)
Network
2415404 - Disclosure - Pension and Postretirement Benefits - Components of Net Periodic (Income) Cost Associated with Pension Plans and Postretirement Benefit Obligations (Detail)
(http://www.dnb.com/role/PensionAndPostretirementBenefitsComponentsOfNetPeriodicIncomeCostAssociatedWithPensionPlansAndPostretirementBenefitObligationsDetail)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001115222 (http://www.sec.gov/CIK)
Defined Benefit Plan Disclosure [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Pension Plans [Member]Postretirement Benefit ObligationsPension Plans [Member]Postretirement Benefit ObligationsPension Plans [Member]Postretirement Benefit Obligations
Components of Net Periodic Cost (Income):
 
 
 
 
 
 
Service Cost
3,000,000  
700,000  
4,200,000  
800,000  
3,500,000  
800,000  
Interest Cost
59,700,000  
400,000  
73,800,000  
500,000  
78,900,000  
700,000  
Expected Return on Plan Assets
(96,500,000) 
0  
(102,600,000) 
0  
(100,200,000) 
0  
Amortization of Prior Service Cost (Credit)
200,000  
(1,600,000) 
200,000  
(1,600,000) 
300,000  
(2,400,000) 
Recognized Actuarial Loss (Gain)
38,800,000  
(1,600,000) 
42,500,000  
(1,300,000) 
36,100,000  
(1,100,000) 
Curtailment Charge
0  
0  
0  
0  
100,000  
0  
Net Periodic Cost (Income)
5,200,000  
 
(2,100,000) 
 
18,100,000  
 
(1,600,000) 
 
18,700,000  
 
(2,000,000)