Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Data (Detail)

v3.5.0.2
Quarterly Financial Data (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Aug. 31, 2016
May 31, 2016
Feb. 29, 2016
Nov. 30, 2015
Aug. 31, 2015
May 31, 2015
Feb. 28, 2015
Nov. 30, 2014
Aug. 31, 2016
Aug. 31, 2015
Aug. 31, 2014
Quarterly Financial Information Disclosure [Line Items]                      
Net sales                 $ 1,149,410 $ 1,249,254 $ 1,399,862
Gross profit                 403,397 461,841 546,872
Earnings from continuing operations                 (105,174) 19,872 141,453
Earnings (loss) from discontinued operations                 0 0 22,120
Net earnings                 $ (105,174) $ 19,872 $ 163,573
Earnings from continuing operations per share:                      
Basic (in dollars per share)                 $ (1.78) $ 0.32 $ 1.99
Diluted (in dollars per share)                 (1.78) 0.32 1.95
Net earnings (loss) per share:                      
Basic (in dollars per share)                 (1.78) 0.32 2.31
Diluted (in dollars per share)                 $ (1.78) $ 0.32 $ 2.26
Quarterly unaudited data [Member]                      
Quarterly Financial Information Disclosure [Line Items]                      
Net sales $ 275,769 $ 305,341 $ 263,289 $ 305,011 $ 300,384 $ 320,100 $ 301,005 $ 327,765      
Gross profit 96,279 107,526 91,030 108,562 106,542 118,560 109,763 126,976      
Net earnings $ 17,402 $ 21,166 $ (159,191) $ 15,448 $ 22,078 $ 37,958 $ (64,838) $ 24,674      
Net earnings (loss) per share:                      
Basic (in dollars per share) $ 0.30 $ 0.36 $ (2.70) $ 0.26 $ 0.37 $ 0.64 $ (1.05) $ 0.38      
Diluted (in dollars per share) $ 0.29 $ 0.36 $ (2.70) $ 0.26 $ 0.37 $ 0.63 $ (1.05) $ 0.38