XML 76 R65.htm IDEA: XBRL DOCUMENT v3.7.0.1
Derivative Financial Instruments - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 08, 2016
Aug. 05, 2016
Mar. 28, 2012
Jul. 15, 2017
Jul. 16, 2016
Jul. 15, 2017
Jul. 16, 2016
Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]                
Cash settlement on hedge, net $ 1,000,000 $ 1,000,000 $ 3,100,000          
Hedge ineffectiveness       $ 0 $ 0 $ 0 $ 0  
Derivative instrument, asset       800,000   800,000   $ 3,000,000
Derivative instrument, liability       $ 800,000   $ 800,000   0
Selling, Distribution, and Administrative Expense                
Derivative Instruments, Gain (Loss) [Line Items]                
Hedge ineffectiveness               $ 100,000