XML 130 R115.htm IDEA: XBRL DOCUMENT v3.7.0.1
Pension and Other Benefits (Details) - Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets [Abstract]      
Discount rate 3.88% 4.06% 3.76%
Rate of compensation increase
Expected long-term rate of return on plan assets 5.50% 5.50% 5.50%
Discount rate 4.06% 3.76% 4.84%
Expected long-term return on plan assets 5.50% 5.50% 5.50%
Rate of compensation increase