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Commitments and Contingent Liabilities - Future Minimum Lease Payments under Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Future minimum lease payments under operating leases  
2013 $ 19,720
2014 14,228
2015 10,633
2016 8,490
2017 7,297
Thereafter 11,986
Subtotal 72,354
Sublease income (631)
Total minimum lease payments $ 71,723