Rendering

Component: (Network and Table)
Network
2415405 - Disclosure - Employee Benefits (Detail) - Information Related to Changes in Projected Benefit Obligation
(http://www.gartner.com/role/EmployeeBenefitsDetailInformationRelatedToChangesInProjectedBenefitObligation)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000749251 (http://www.sec.gov/CIK)
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]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 Disclosures [Abstract]
 
 
 
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
 
 
 
Projected benefit obligation at beginning of year
35,870,000  
38,115,000  
34,585,000  
Service cost
2,780,000  
2,620,000  
2,630,000  
Interest cost
850,000  
790,000  
1,190,000  
Actuarial loss (gain) due to assumption changes and plan experience
1,480,000  
(1,190,000) 
6,300,000  
Additions and contractual termination benefits
0  
85,000  
30,000  
Benefits paid
(1,640,000) 
(775,000) 
(1,350,000) 
Foreign currency impact
(940,000) 
(3,775,000) 
(5,270,000) 
Projected benefit obligation at end of year
38,400,000  
 
35,870,000  
 
38,115,000