Segment Data and Foreign Operations (Details) $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
May 31, 2020
USD ($)
segment
|
Feb. 29, 2020
USD ($)
|
Nov. 30, 2019
USD ($)
|
Aug. 31, 2019
USD ($)
segment
|
May 31, 2019
USD ($)
|
Nov. 30, 2018
USD ($)
|
Aug. 31, 2018
USD ($)
|
May 31, 2020
USD ($)
|
Feb. 29, 2020
USD ($)
|
Aug. 31, 2019
USD ($)
|
May 31, 2020
USD ($)
segment
|
Aug. 31, 2019
USD ($)
|
May 31, 2019
USD ($)
|
|
| Segment data | |||||||||||||
| Number of operating segments | segment | 3 | 2 | 3 | ||||||||||
| Revenue | $ 64,871 | $ 72,112 | $ 197,255 | $ 211,246 | |||||||||
| Income before income taxes | 12,527 | 12,188 | 33,403 | 30,928 | |||||||||
| Interest | 67 | 91 | 178 | 457 | |||||||||
| Depreciation | 2,989 | 3,634 | |||||||||||
| Amortization | 8,724 | 9,339 | |||||||||||
| Gain on sale of property | 760 | 760 | |||||||||||
| Severance Costs | 183 | 183 | |||||||||||
| Exit costs related to facilities | 268 | 193 | 977 | 453 | |||||||||
| Pension related settlement costs | (75) | (11) | (75) | (484) | |||||||||
| Impairment of goodwill | 2,410 | ||||||||||||
| Total assets | 333,870 | $ 307,968 | $ 333,870 | $ 307,968 | 333,870 | $ 307,968 | |||||||
| Granite Falls Location | |||||||||||||
| Segment data | |||||||||||||
| Exit costs related to facilities | 0 | $ 60 | 193 | $ 559 | 526 | 559 | 193 | ||||||
| Pawtucket, RI manufacturing facility | |||||||||||||
| Segment data | |||||||||||||
| Gain on sale of property | 760 | 760 | |||||||||||
| Exit costs related to facilities | 85 | $ 260 | $ 1,272 | 85 | 0 | 260 | |||||||
| Adhesives, Sealants and Additives | |||||||||||||
| Segment data | |||||||||||||
| Revenue | 22,922 | 26,009 | 73,184 | 78,814 | |||||||||
| Income before income taxes | 6,704 | 7,509 | 20,936 | 20,530 | |||||||||
| Interest | 26 | 34 | 68 | 172 | |||||||||
| Depreciation | 199 | 356 | 791 | 1,121 | |||||||||
| Amortization | 2,340 | 2,341 | 7,033 | 7,020 | |||||||||
| Impairment of goodwill | 2,410 | 2,410 | |||||||||||
| Total assets | 134,353 | 135,583 | 134,353 | 135,583 | 134,353 | 135,583 | |||||||
| Industrial Tapes | |||||||||||||
| Segment data | |||||||||||||
| Revenue | 31,752 | 33,704 | 91,931 | 98,324 | |||||||||
| Income before income taxes | 9,011 | 6,929 | 24,050 | 20,980 | |||||||||
| Interest | 33 | 38 | 87 | 193 | |||||||||
| Depreciation | 428 | 410 | 1,247 | 1,304 | |||||||||
| Amortization | 450 | 450 | 1,350 | 1,350 | |||||||||
| Total assets | 70,489 | 77,085 | 70,489 | 77,085 | 70,489 | 77,085 | |||||||
| Corrosion Protection and Waterproofing | |||||||||||||
| Segment data | |||||||||||||
| Revenue | 10,197 | 12,399 | 32,140 | 34,108 | |||||||||
| Income before income taxes | 4,149 | 4,817 | 12,240 | 11,667 | |||||||||
| Interest | 8 | 19 | 23 | 92 | |||||||||
| Depreciation | 144 | 161 | 449 | 500 | |||||||||
| Amortization | 108 | 323 | 341 | 969 | |||||||||
| Total assets | 31,722 | 32,478 | 31,722 | 32,478 | 31,722 | 32,478 | |||||||
| Reportable segments | |||||||||||||
| Segment data | |||||||||||||
| Income before income taxes | 19,864 | 19,255 | 57,226 | 53,177 | |||||||||
| Total assets | 236,564 | 245,146 | 236,564 | 245,146 | 236,564 | 245,146 | |||||||
| Corporate and common costs | |||||||||||||
| Segment data | |||||||||||||
| Income before income taxes | (7,337) | $ (7,067) | (23,823) | $ (22,249) | |||||||||
| Total assets | 97,306 | $ 62,822 | 97,306 | $ 62,822 | 97,306 | $ 62,822 | |||||||
| Engineering Studies related to Facility Consolidation and Rationalization Initiative | |||||||||||||
| Segment data | |||||||||||||
| Business development cost | $ 0 | $ 0 | $ 150 | $ 0 | $ 150 | ||||||||