Acquisition of Specialty Chemical Intermediates Product Lines - By Acquiree (Details) - USD ($)
$ / shares in Units, $ in Thousands |
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3 Months Ended |
4 Months Ended |
9 Months Ended |
Jan. 30, 2015 |
May 31, 2016 |
May 31, 2015 |
May 31, 2015 |
May 31, 2016 |
May 31, 2015 |
| Pro Forma Information |
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| Acquisition related costs (Note 14) |
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$ 584
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| Net income |
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$ 7,531
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$ 7,166
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$ 21,952
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$ 18,232
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| Henkel Corporation ( Seller) |
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| Acquisition of Specialty Chemical Intermediates Businesses |
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| Intangible assets |
$ 25,240
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| Pro Forma Information |
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| Statutory tax rate (as a percent) |
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35.00%
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| Revenue |
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$ 181,664
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| Net income |
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19,655
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| Net income attributable to Chase Corporation |
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$ 19,560
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| Net income available to common shareholders, per common and common equivalent share |
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| Basic earnings per share (in dollars per share) |
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$ 2.13
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| Diluted earning per share (in dollars per share) |
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$ 2.10
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| Henkel Corporation ( Seller) | Customer Relationships |
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| Acquisition of Specialty Chemical Intermediates Businesses |
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| Intangible assets |
$ 21,300
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| Useful life |
8 years
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| Henkel Corporation ( Seller) | Technology |
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| Acquisition of Specialty Chemical Intermediates Businesses |
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| Intangible assets |
$ 2,700
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| Useful life |
7 years
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| Henkel Corporation ( Seller) | Trade names |
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| Acquisition of Specialty Chemical Intermediates Businesses |
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| Intangible assets |
$ 910
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| Useful life |
7 years
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| Henkel Corporation ( Seller) | Backlog |
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| Acquisition of Specialty Chemical Intermediates Businesses |
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| Intangible assets |
$ 330
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| Useful life |
2 months
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| Specialty chemical intermediates product line |
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| Pro Forma Information |
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| Revenue since acquisition date |
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$ 7,236
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| Net gain since acquisition date |
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204
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| Acquisition related costs (Note 14) |
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584
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| Inventory step-up costs |
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$ 65
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