XML 23 R78.htm IDEA: XBRL DOCUMENT v2.4.0.8
Postretirement Benefits Other Than Pensions - Expected Future Benefit Payments (Detail) (Other Postretirement Benefit Plans, Defined Benefit [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Other Postretirement Benefit Plans, Defined Benefit [Member]
 
Pension Plans, Postretirement and Other Employee Benefits [Line Items]  
2014 $ 623
2015 593
2016 564
2017 537
2018 497
2019-2023 $ 2,042