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Future Minimum Lease Payments Required Under Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Operating leases
2013	$ 1,224
2014	687
2015	392
2016	268
2017	161
Later years	1,167
Total	$ 3,899

X

- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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