XML 109 R88.htm IDEA: XBRL DOCUMENT v3.3.1.900
Benefit Plans (Weighted-Average Assumptions used to Determine Benefit Obligations) (Details) - Pension [Member]
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.40% 4.10%
Rate of compensation increase 4.00% 4.00%