Rendering

Component: (Network and Table)
Network
2409408 - Disclosure - PENSION PLANS AND OTHER BENEFITS (Summary of Components of Net Pension Expense) (Details)
(http://www.compassminerals.com/role/PensionPlansAndOtherBenefitsSummaryOfComponentsOfNetPensionExpenseDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001227654 (http://www.sec.gov/CIK)
Compensation and Retirement Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Compensation and Retirement Disclosure [Abstract]
 
 
 
Components of net pension expense [Abstract]
 
 
 
Interest cost on projected benefit obligation
2,300,000  
2,500,000  
3,200,000  
Prior service cost
(100,000) 
(100,000) 
(100,000) 
Expected return on plan assets
(2,800,000) 
(2,900,000) 
(3,500,000) 
Net amortization
400,000  
1,500,000  
1,700,000  
Net pension expense
(200,000) 
 
1,000,000  
 
1,300,000