Rendering

Component: (Network and Table)
Network
174 - Disclosure - Net Periodic Benefit Cost for Plan (Detail)
(http://www.ariad.com/taxonomy/role/DisclosureNetPeriodicBenefitCostForPlan)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000884731 (http://www.sec.gov/CIK)
Legal Entity [Axis]Entity [Domain]
Defined Benefit Plan Disclosure [Line Items]Period [Axis]
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Service cost
1,729,000  
1,081,000  
Interest cost
134,000  
163,000  
Expected return on plan assets
(96,000) 
(137,000) 
Amortization of prior service cost
329,000  
150,000  
Net periodic benefit cost
2,096,000  
 
1,257,000