Acquisition - Schedule of Acquisition (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended
May 31, 2014
May 31, 2014
Gum Technology [Member]
Mar. 25, 2014
Gum Technology [Member]
Mar. 31, 2014
Gum Technology [Member]
May 31, 2014
Gum Technology [Member]
Working capital adjustment [Member]
May 31, 2014
Gum Technology [Member]
Holdback [Member]
Business Acquisition [Line Items]            
Cash paid at closing $ 9,086 $ 9,086        
Accrued liabilities         72 750
Total purchase price   $ 9,908 $ 9,908 $ 9,908