XML 37 R66.htm IDEA: XBRL DOCUMENT v3.20.1
Pensions and Other Employee Benefits Plans (Assumptions Used to Determine Benefit Obligation) (Details)
Dec. 31, 2019
Dec. 31, 2018
Pensions and Other Employee Benefit Plans [Abstract]    
Discount rate 3.25% 4.25%
Rate of compensation increase 4.25% 4.25%