Goodwill and Other Intangibles - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Goodwill and Other Intangibles
Gross Carrying Value	$ 119,551	$ 118,566
Accumulated Amortization	78,351	65,862
Net Carrying Value	41,200	52,704
Aggregate amortization expense	11,576	$ 12,445	$ 11,807
Estimated amortization expense
2021	11,066
2022	10,036
2023	6,768
2024	5,560
2025	$ 3,961
Patents and agreements
Goodwill and Other Intangibles
Weighted-Average Amortization Period	14 years 7 months 6 days	14 years 7 months 6 days
Gross Carrying Value	$ 1,760	$ 1,760
Accumulated Amortization	1,705	1,693
Net Carrying Value	$ 55	$ 67
Formulas and technology
Goodwill and Other Intangibles
Weighted-Average Amortization Period	7 years 9 months 18 days	7 years 9 months 18 days
Gross Carrying Value	$ 10,250	$ 10,164
Accumulated Amortization	9,121	7,969
Net Carrying Value	$ 1,129	$ 2,195
Trade names
Goodwill and Other Intangibles
Weighted-Average Amortization Period	5 years 9 months 18 days	5 years 9 months 18 days
Gross Carrying Value	$ 8,575	$ 8,503
Accumulated Amortization	7,781	7,261
Net Carrying Value	$ 794	$ 1,242
Customer lists and relationships
Goodwill and Other Intangibles
Weighted-Average Amortization Period	9 years 1 month 6 days	9 years 1 month 6 days
Gross Carrying Value	$ 98,966	$ 98,139
Accumulated Amortization	59,744	48,939
Net Carrying Value	$ 39,222	$ 49,200

Represents the weighted-average amortization period of intangible assets.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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