XML 140 R123.htm IDEA: XBRL DOCUMENT v3.3.1.900
Retirement And Other Employee Benefits (Amounts Recognized In Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Net (loss) gain $ (201,578) $ (210,859) $ (147,288)
Prior service (cost) credit (2,339) (3,272) (4,119)
Total recognized in accumulated other comprehensive (loss) income (203,917) (214,131) (151,407)
Retirement Health Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Net (loss) gain 1,987 (394) 11,710
Prior service (cost) credit 4,236 5,169 6,102
Total recognized in accumulated other comprehensive (loss) income $ 6,223 $ 4,775 $ 17,812