XML 340 R231.htm IDEA: XBRL DOCUMENT v2.4.0.8
Accumulated other comprehensive loss expected to be recognized as components of net periodic benefit cost (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Pension Plans, Defined Benefit [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Net loss $ 8,075
Other Pension Plans Defined Benefit Member
 
Defined Benefit Plan Disclosure [Line Items]  
Net loss $ 431