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Condensed Consolidating Statements of Earnings (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 29, 2016 | Aug. 31, 2016 | Aug. 31, 2015 | Aug. 31, 2014
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net sales |  | $ 1,149,410 | $ 1,249,254 | $ 1,399,862
Cost of products sold |  | 746,013 | 787,413 | 852,990
Gross profit |  | 403,397 | 461,841 | 546,872
Selling, administrative and engineering expenses |  | 274,497 | 299,601 | 332,093
Restructuring charges |  | 14,571 | 0 | 0
Impairment charge | $ 186,511 | 186,511 | 84,353 | 0
Gain (loss) on product line divestiture |  | 5,092 | 0 | (13,495)
Amortization of intangible assets |  | 22,943 | 24,333 | 25,166
Operating profit (loss) |  | (100,217) | 53,554 | 203,108
Financing costs, net |  | 28,768 | 28,057 | 25,045
Intercompany expense (income), net |  | 0 | 0 | 0
Intercompany Dividend |  | 0 | 0 |
Other expense (income), net |  | 1,359 | 106 | 4,037
Earnings from continuing operations before income tax expense |  | (130,344) | 25,391 | 174,026
Income tax expense |  | (25,170) | 5,519 | 32,573
Net earnings (loss) before equity in earnings (loss) of subsidiaries |  | (105,174) | 19,872 | 141,453
Equity in earnings (loss) of subsidiaries |  | 0 | 0 | 0
Earnings from continuing operations |  | (105,174) | 19,872 | 141,453
Earnings (loss) from discontinued operations, net of income taxes |  | 0 | 0 | 22,120
Net earnings |  | (105,174) | 19,872 | 163,573
Comprehensive loss |  | (143,357) | (125,360) | 163,825
Parent |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net sales |  | 135,679 | 158,836 | 195,573
Cost of products sold |  | 34,576 | 40,858 | 57,464
Gross profit |  | 101,103 | 117,978 | 138,109
Selling, administrative and engineering expenses |  | 69,677 | 74,588 | 96,220
Restructuring charges |  | 2,426 |  |
Impairment charge |  | 0 | 0 |
Gain (loss) on product line divestiture |  | 0 |  | 1,200
Amortization of intangible assets |  | 1,272 | 1,272 | 1,272
Operating profit (loss) |  | 27,728 | 42,118 | 39,417
Financing costs, net |  | 30,123 | 29,295 | 25,611
Intercompany expense (income), net |  | (20,445) | (19,727) | (27,601)
Intercompany Dividend |  | 0 | (212) |
Other expense (income), net |  | 914 |  | 12,716
Earnings from continuing operations before income tax expense |  | 17,136 | 32,602 | 28,691
Income tax expense |  | (8,729) | (8,218) | (16,529)
Net earnings (loss) before equity in earnings (loss) of subsidiaries |  | 25,865 | 40,820 | 45,220
Equity in earnings (loss) of subsidiaries |  | (131,037) | (20,948) | 139,865
Earnings from continuing operations |  |  |  | 185,085
Earnings (loss) from discontinued operations, net of income taxes |  |  |  | (21,512)
Net earnings |  | (105,174) | 19,872 | 163,573
Comprehensive loss |  | (143,357) | (125,360) |
Guarantors |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net sales |  | 361,209 | 385,476 | 409,848
Cost of products sold |  | 263,197 | 280,081 | 290,840
Gross profit |  | 98,012 | 105,395 | 119,008
Selling, administrative and engineering expenses |  | 69,382 | 69,041 | 54,699
Restructuring charges |  | 3,455 |  |
Impairment charge |  | 49,012 | 20,249 |
Gain (loss) on product line divestiture |  | 5,092 |  | (14,695)
Amortization of intangible assets |  | 13,287 | 13,061 | 12,687
Operating profit (loss) |  | (42,216) | 3,044 | 66,317
Financing costs, net |  | 0 | 0 | 3
Intercompany expense (income), net |  | (9,999) | (8,835) | (5,760)
Intercompany Dividend |  | 0 | (243) |
Other expense (income), net |  | 54 |  | 153
Earnings from continuing operations before income tax expense |  | (32,271) | 12,206 | 71,921
Income tax expense |  | 519 | 4,056 | 33,690
Net earnings (loss) before equity in earnings (loss) of subsidiaries |  | (32,790) | 8,150 | 38,231
Equity in earnings (loss) of subsidiaries |  | (83,747) | (1,720) | 23,297
Earnings from continuing operations |  |  |  | 61,528
Earnings (loss) from discontinued operations, net of income taxes |  |  |  | 56,494
Net earnings |  | (116,537) | 6,430 | 118,022
Comprehensive loss |  | (157,344) | (10,689) |
Non-Guarantors |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net sales |  | 652,522 | 704,942 | 794,441
Cost of products sold |  | 448,240 | 466,474 | 504,686
Gross profit |  | 204,282 | 238,468 | 289,755
Selling, administrative and engineering expenses |  | 135,438 | 155,972 | 181,174
Restructuring charges |  | 8,690 |  |
Impairment charge |  | 137,499 | 64,104 |
Gain (loss) on product line divestiture |  | 0 |  | 0
Amortization of intangible assets |  | 8,384 | 10,000 | 11,207
Operating profit (loss) |  | (85,729) | 8,392 | 97,374
Financing costs, net |  | (1,355) | (1,238) | (569)
Intercompany expense (income), net |  | 30,444 | 28,562 | 33,361
Intercompany Dividend |  | (5,338) | (10,707) |
Other expense (income), net |  | 391 |  | (8,832)
Earnings from continuing operations before income tax expense |  | (109,871) | (8,255) | 73,414
Income tax expense |  | (17,046) | 10,939 | 15,412
Net earnings (loss) before equity in earnings (loss) of subsidiaries |  | (92,825) | (19,194) | 58,002
Equity in earnings (loss) of subsidiaries |  | 3,024 | 6,520 | 15,058
Earnings from continuing operations |  |  |  | 73,060
Earnings (loss) from discontinued operations, net of income taxes |  |  |  | (12,862)
Net earnings |  | (89,801) | (12,674) | 60,198
Comprehensive loss |  | (83,802) | (88,431) |
Consolidation, Eliminations |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net sales |  | 0 | 0 | 0
Cost of products sold |  | 0 | 0 | 0
Gross profit |  | 0 | 0 | 0
Selling, administrative and engineering expenses |  | 0 | 0 | 0
Restructuring charges |  | 0 |  |
Impairment charge |  | 0 | 0 |
Gain (loss) on product line divestiture |  | 0 |  | 0
Amortization of intangible assets |  | 0 | 0 | 0
Operating profit (loss) |  | 0 | 0 | 0
Financing costs, net |  | 0 | 0 | 0
Intercompany expense (income), net |  | 0 | 0 | 0
Intercompany Dividend |  | 5,338 | 11,162 |
Other expense (income), net |  | 0 | 0 | 0
Earnings from continuing operations before income tax expense |  | (5,338) | (11,162) | 0
Income tax expense |  | 86 | (1,258) | 0
Net earnings (loss) before equity in earnings (loss) of subsidiaries |  | (5,424) | (9,904) | 0
Equity in earnings (loss) of subsidiaries |  | 211,760 | 16,148 | (178,220)
Earnings from continuing operations |  |  |  | (178,220)
Earnings (loss) from discontinued operations, net of income taxes |  |  |  | 0
Net earnings |  | 206,336 | 6,244 | $ (178,220)
Comprehensive loss |  | $ 241,146 | $ 99,120 |

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