Annual report pursuant to Section 13 and 15(d)

Proforma Results of Operations (Detail)

v3.10.0.1
Proforma Results of Operations (Detail) - USD ($)
12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Business Acquisition [Line Items]      
Net sales, As reported $ 1,182,611,000 $ 1,095,784,000 $ 1,149,410,000
Net sales, Pro forma     1,175,303,915
Earnings from continuing operations     (105,174,000)
Earnings from continuing operations, Pro forma     $ (100,926,578)
Basic earnings per share from continuing operations, As reported     $ (1.78)
Basic earnings per share from continuing operations, Pro forma     (1.71)
Diluted earnings per share from continuing operations, As reported     (1.78)
Diluted earnings per share from continuing operations, Pro forma     $ (1.71)
Fiscal 2016 acquisitions [Member]      
Business Acquisition [Line Items]      
Net sales, As reported $ 44,700,000 $ 32,800,000 $ 19,100,000