XML 49 R75.htm IDEA: XBRL DOCUMENT v2.4.0.6
Retirement Plans - Expected Future Benefit Payments (Detail) (Pension Plans, Defined Benefit [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Pension Plans, Defined Benefit [Member]
 
Pension Plans, Postretirement and Other Employee Benefits [Line Items]  
2013 $ 3,183
2014 3,793
2015 4,735
2016 3,949
2017 4,555
2018-2022 $ 30,384