Condensed Consolidating Statements of Earnings and Comprehensive Income (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
Feb. 28, 2018 |
Feb. 28, 2017 |
Feb. 28, 2018 |
Feb. 28, 2017 |
Condensed Financial Statements, Captions [Line Items] |
|
|
|
|
Net sales |
$ 275,165
|
$ 258,869
|
$ 564,120
|
$ 524,662
|
Cost of products sold |
185,469
|
171,543
|
373,513
|
344,269
|
Gross profit |
89,696
|
87,326
|
190,607
|
180,393
|
Selling, administrative and engineering expenses |
68,502
|
66,957
|
142,980
|
135,561
|
Amortization of intangible assets |
5,168
|
5,069
|
10,299
|
10,330
|
Restructuring Charges |
3,450
|
2,101
|
10,079
|
5,048
|
Impairment & divestiture charges |
2,987
|
0
|
2,987
|
0
|
Director & officer transition charges |
0
|
0
|
0
|
7,784
|
Operating profit |
9,589
|
13,199
|
24,262
|
21,670
|
Financing costs, net |
7,604
|
7,334
|
15,118
|
14,467
|
Intercompany Expense (Income) Net |
0
|
0
|
0
|
0
|
Other Nonoperating (Income) Expense |
367
|
591
|
696
|
(38)
|
Intercompany Dividends |
|
0
|
|
0
|
Earnings before income tax expense (benefit) |
1,618
|
5,274
|
8,448
|
7,241
|
Income tax expense (benefit) |
19,839
|
200
|
21,443
|
(2,798)
|
Income tax expense (benefit) |
(18,221)
|
5,074
|
(12,995)
|
10,039
|
Equity In Earnings Of Subsidiaries |
0
|
0
|
0
|
0
|
Net (loss) earnings |
(18,221)
|
5,074
|
(12,995)
|
10,039
|
Comprehensive income (loss) |
62,788
|
8,185
|
71,039
|
(12,972)
|
Reportable Legal Entities | Parent |
|
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
|
Net sales |
36,219
|
34,953
|
71,929
|
66,682
|
Cost of products sold |
5,848
|
10,049
|
12,811
|
17,143
|
Gross profit |
30,371
|
24,904
|
59,118
|
49,539
|
Selling, administrative and engineering expenses |
18,190
|
18,553
|
37,905
|
36,520
|
Amortization of intangible assets |
318
|
318
|
636
|
636
|
Restructuring Charges |
194
|
372
|
5,550
|
727
|
Impairment & divestiture charges |
4,217
|
|
4,217
|
|
Director & officer transition charges |
|
|
|
7,784
|
Operating profit |
7,452
|
5,661
|
10,810
|
3,872
|
Financing costs, net |
7,777
|
7,430
|
15,400
|
14,756
|
Intercompany Expense (Income) Net |
(5,042)
|
(7,882)
|
(9,919)
|
(12,950)
|
Other Nonoperating (Income) Expense |
90
|
(48)
|
40
|
2,037
|
Intercompany Dividends |
|
0
|
|
0
|
Earnings before income tax expense (benefit) |
4,627
|
6,161
|
5,289
|
29
|
Income tax expense (benefit) |
10,612
|
151
|
10,327
|
(2,563)
|
Income tax expense (benefit) |
(5,985)
|
6,010
|
(5,038)
|
2,592
|
Equity In Earnings Of Subsidiaries |
(12,236)
|
(936)
|
(7,957)
|
7,447
|
Net (loss) earnings |
(18,221)
|
5,074
|
(12,995)
|
10,039
|
Comprehensive income (loss) |
62,788
|
8,185
|
71,039
|
(12,972)
|
Reportable Legal Entities | Guarantors |
|
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
|
Net sales |
83,072
|
80,973
|
170,906
|
165,249
|
Cost of products sold |
63,979
|
61,821
|
128,553
|
123,237
|
Gross profit |
19,093
|
19,152
|
42,353
|
42,012
|
Selling, administrative and engineering expenses |
17,232
|
16,549
|
35,680
|
33,185
|
Amortization of intangible assets |
2,861
|
2,918
|
5,722
|
5,994
|
Restructuring Charges |
909
|
441
|
1,078
|
1,164
|
Impairment & divestiture charges |
0
|
|
0
|
|
Director & officer transition charges |
|
|
|
0
|
Operating profit |
(1,909)
|
(756)
|
(127)
|
1,669
|
Financing costs, net |
22
|
0
|
43
|
0
|
Intercompany Expense (Income) Net |
5,419
|
11,242
|
10,903
|
10,156
|
Other Nonoperating (Income) Expense |
49
|
(4)
|
94
|
(74)
|
Intercompany Dividends |
|
(4,258)
|
|
(59,401)
|
Earnings before income tax expense (benefit) |
(7,399)
|
(7,736)
|
(11,167)
|
50,988
|
Income tax expense (benefit) |
(2,234)
|
(667)
|
(1,797)
|
(697)
|
Income tax expense (benefit) |
(5,165)
|
(7,069)
|
(9,370)
|
51,685
|
Equity In Earnings Of Subsidiaries |
(9,454)
|
8,057
|
(661)
|
13,682
|
Net (loss) earnings |
(14,619)
|
988
|
(10,031)
|
65,367
|
Comprehensive income (loss) |
(14,619)
|
1,324
|
(10,031)
|
47,616
|
Reportable Legal Entities | Non-Guarantors |
|
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
|
Net sales |
155,874
|
142,943
|
321,285
|
292,731
|
Cost of products sold |
115,642
|
99,673
|
232,149
|
203,889
|
Gross profit |
40,232
|
43,270
|
89,136
|
88,842
|
Selling, administrative and engineering expenses |
33,080
|
31,855
|
69,395
|
65,856
|
Amortization of intangible assets |
1,989
|
1,833
|
3,941
|
3,700
|
Restructuring Charges |
2,347
|
1,288
|
3,451
|
3,157
|
Impairment & divestiture charges |
(1,230)
|
|
(1,230)
|
|
Director & officer transition charges |
|
|
|
0
|
Operating profit |
4,046
|
8,294
|
13,579
|
16,129
|
Financing costs, net |
(195)
|
(96)
|
(325)
|
(289)
|
Intercompany Expense (Income) Net |
(377)
|
(3,360)
|
(984)
|
2,794
|
Other Nonoperating (Income) Expense |
228
|
643
|
562
|
(2,001)
|
Intercompany Dividends |
|
0
|
|
0
|
Earnings before income tax expense (benefit) |
4,390
|
11,107
|
14,326
|
15,625
|
Income tax expense (benefit) |
11,461
|
716
|
12,913
|
462
|
Income tax expense (benefit) |
(7,071)
|
10,391
|
1,413
|
15,163
|
Equity In Earnings Of Subsidiaries |
(1,459)
|
(268)
|
(1,505)
|
2,862
|
Net (loss) earnings |
(8,530)
|
10,123
|
(92)
|
18,025
|
Comprehensive income (loss) |
74,820
|
12,828
|
86,386
|
13,459
|
Eliminations |
|
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
|
Net sales |
0
|
0
|
0
|
0
|
Cost of products sold |
0
|
0
|
0
|
0
|
Gross profit |
0
|
0
|
0
|
0
|
Selling, administrative and engineering expenses |
0
|
0
|
0
|
0
|
Amortization of intangible assets |
0
|
0
|
0
|
0
|
Restructuring Charges |
0
|
0
|
0
|
0
|
Impairment & divestiture charges |
0
|
|
0
|
|
Director & officer transition charges |
|
|
|
0
|
Operating profit |
0
|
0
|
0
|
0
|
Financing costs, net |
0
|
0
|
0
|
0
|
Intercompany Expense (Income) Net |
0
|
0
|
0
|
0
|
Other Nonoperating (Income) Expense |
0
|
0
|
0
|
0
|
Intercompany Dividends |
|
4,258
|
|
59,401
|
Earnings before income tax expense (benefit) |
0
|
(4,258)
|
0
|
(59,401)
|
Income tax expense (benefit) |
0
|
0
|
0
|
0
|
Income tax expense (benefit) |
0
|
(4,258)
|
0
|
(59,401)
|
Equity In Earnings Of Subsidiaries |
23,149
|
(6,853)
|
10,123
|
(23,991)
|
Net (loss) earnings |
23,149
|
(11,111)
|
10,123
|
(83,392)
|
Comprehensive income (loss) |
$ (60,201)
|
$ (14,152)
|
$ (76,355)
|
$ (61,075)
|