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Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - USD ($)
Nov. 02, 2016
Nov. 04, 2016
Amended and Restated Revolving Credit Agreement [Member]    
Subsequent Event [Line Items]    
Principal amount outstanding on the date of termination $ 0  
Borrowings on credit facility $ 0  
Maximum [Member]    
Subsequent Event [Line Items]    
Stock repurchase program, authorized amount   $ 200,000,000