XML 24 R104.htm IDEA: XBRL DOCUMENT v2.4.0.6
RETIREMENT PLANS: (Details 10)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Discount rate 4.05% 4.40%
Initial weighted health care cost trend rate 7.50% 7.50%
Ultimate health care cost trend rate 5.00% 5.00%
Year that the rate is assumed to stabilize and remain unchanged 2015 2015