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Goodwill and Other Intangible Assets - Aggregate Amortization Expense Relative to Existing Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
2015 $ 5,544
2016 5,052
2017 4,446
2018 3,900
2019 3,326
Thereafter 6,153
Total $ 28,421