No definition available.

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The portion of pro forma profit or loss for the period, which is attributable to the parent as if the business combination or combinations had been completed at the beginning of a period.

+ References

No definition available.

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- Definition

Represent the amount of inventory step up costs.

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No definition available.

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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.

+ References

No definition available.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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No definition available.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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-Publisher FASB
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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Acquisitions - By Acquiree (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2016	Jan. 30, 2015	Nov. 30, 2016	Aug. 31, 2017	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Pro Forma Information
Expenses related to acquisition					$ 584		$ 584
Statutory tax rate (as a percent)					35.00%	35.00%	35.00%
Resin Designs
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets	$ 19,450
Pro Forma Information
Revenue since acquisition date				$ 14,868
Net gain since acquisition date				669
Expenses related to acquisition			$ 584	584
Inventory step-up costs				$ 190
Statutory tax rate (as a percent)				35.00%
Revenue					$ 254,145	$ 250,021
Net income					42,685	32,228
Net income attributable to Chase Corporation					$ 42,685	$ 32,228
Net income available to common shareholders, per common and common equivalent share
Basic earnings per share (in dollars per share)					$ 4.56	$ 3.49
Diluted earning per share (in dollars per share)					$ 4.51	$ 3.44
Resin Designs \| Customer Relationships
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets	$ 17,500
Useful life	10 years
Resin Designs \| Technology
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets	$ 1,200
Useful life	4 years
Resin Designs \| Trade names
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets	$ 750
Useful life	7 years
Henkel Corporation ( Seller)
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets		$ 25,240
Henkel Corporation ( Seller) \| Customer Relationships
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets		$ 21,300
Useful life		8 years
Henkel Corporation ( Seller) \| Technology
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets		$ 2,700
Useful life		7 years
Henkel Corporation ( Seller) \| Trade names
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets		$ 910
Useful life		7 years
Henkel Corporation ( Seller) \| Backlog
Acquisition of Specialty Chemical Intermediates Businesses
Intangible assets		$ 330
Useful life		2 months