| Component: (Network and Table) | |
|---|---|
| Network | 2423403 - Disclosure - Pension and Other Postretirement Benefits - Change in Benefit Obligation (Detail) (http://www.belden.com/role/PensionAndOtherPostretirementBenefitsChangeInBenefitObligationDetail) |
| Table | Pension And Other Employee Benefit Plans [Table] |
| Reporting Entity [Axis] | 0000913142 (http://www.sec.gov/CIK) |
| Pension And Other Employee Benefit Plans [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 Benefits [Member] | Other Benefits [Member] | Pension Benefits [Member] | Other Benefits [Member] | Pension Benefits [Member] | Other Benefits [Member] | |
Change in benefit obligation: | ||||||
Benefit obligation, beginning of year | ( | ( | ( | ( | ||
Service cost | ( | ( | ( | ( | ( | ( |
Interest cost | ( | ( | ( | ( | ( | ( |
Participant contributions | ( | ( | ( | ( | ||
Actuarial gain (loss) | ( | |||||
Settlements | ||||||
Curtailments | ||||||
Foreign currency exchange rate changes | ( | |||||
Benefits paid | ||||||
Benefit obligation, end of year | ( | ( | (275,205,000) | (32,313,000) | (300,339,000) | (39,169,000) |