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Other - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 03, 2016
Mar. 31, 2016
Mar. 31, 2015
Other [Line Items]      
Quarterly dividend declared   $ 0.0425 $ 0.0375
Dividend Declared      
Other [Line Items]      
Dividend declaration date Mar. 03, 2016    
Quarterly dividend declared $ 0.0425    
Dividend payable date May 16, 2016    
Dividend declared, date of record May 02, 2016    
Dividend payable   $ 623,000