Annual report pursuant to Section 13 and 15(d)

Pension Benefits Expected to be Paid (Detail)

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Pension Benefits Expected to be Paid (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Schedule of Pension Expected Future Benefit Payments [Line Items]  
2014 $ 790
2015 805
2016 816
2017 880
2018 944
Next five years $ 6,169