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Acquisitions (Detail) - USD ($)
3 Months Ended
Jan. 23, 2015
Mar. 31, 2017
Jun. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Aug. 13, 2014
Escrow Deposit   $ 1,000        
Business Acquisition, Contingent Consideration, at Fair Value       $ 0 $ 8,012,000  
Acquisition-related Costs [Member]            
Payments to Acquire Businesses, Gross   $ 15,750,000 $ 3,759,000      
Blondo Acquisition [Member]            
Payments to Acquire Businesses, Gross $ 9,129,000          
Dolce Vita [Member]            
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High           $ 5,000,000