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Stock-Based Compensation (Detail) - (Table 5) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Aug. 08, 2016
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at January 1, 2012   2,016,000
Outstanding at January 1, 2012 (in Dollars per share)   $ 23.51
Granted 150,000 249,000
Granted (in Dollars per share)   $ 33.73
Exercised   (460,000)
Exercised (in Dollars per share)   $ 10.59
Cancelled/Forfeited   (30,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price   $ 30.43
Outstanding at June 30, 2012   1,775,000
Outstanding at June 30, 2012 (in Dollars per share)   $ 28.17
Outstanding at June 30, 2012   3 years 2 months
Outstanding at June 30, 2012 (in Dollars)   $ 11,329
Exercisable at June 30, 2012   1,128,000
Exercisable at June 30, 2012 (in Dollars per share)   $ 24.95
Exercisable at June 30, 2012   2 years 4 months
Exercisable at June 30, 2012 (in Dollars)   $ 10,836