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Other Intangible Assets (Estimated Amortization Expense for Finite-Lived Intangible Assets) (Detail)
$ in Thousands
Sep. 30, 2015
USD ($)
Intangible Assets Net Excluding Goodwill [Abstract]  
Remainder of 2015 $ 2,242
2016 8,344
2017 7,153
2018 4,701
2019 3,907
2020 $ 2,315