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Acquisitions - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
1 Months Ended
Feb. 04, 2013
Gamesman Group
Dec. 20, 2013
Sunbank
Business Acquisition [Line Items]    
Business acquired $ 40.8 $ 51.0
Contingent consideration   $ 5
Contingent consideration achievement period of certain sales levels   2 years