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178 - Disclosure - Weighted Average Assumptions Used In Determining Pension Plan Information (Detail)
(http://www.crbard.com/taxonomy/role/DisclosureWeightedAverageAssumptionsUsedInDeterminingPensionPlanInformation)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000009892 (http://www.sec.gov/CIK)
Legal Entity [Axis]Entity [Domain]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Pension Plans, Defined Benefit
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
Net Cost
 
 
 
Discount rate - service cost
4.26%  
3.79%  
4.58%  
Discount rate - interest cost
3.47%  
3.79%  
4.58%  
Expected return on plan assets
6.72%  
7.17%  
7.26%  
Rate of compensation increase
3.57%  
3.42%  
3.49%  
Benefit Obligation
 
 
 
Discount rate
3.91%  
4.03%  
3.79%  
Rate of compensation increase
3.58%  
3.57%  
3.42%