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RELATED PARTIES | 12 Months Ended
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Sep. 30, 2018
Related Party Transactions [Abstract] |
RELATED PARTIES | RELATED PARTIES On May 10, 2017, Griffon entered into an engagement letter with Goldman Sachs & Co. LLC (“Goldman Sachs”) pursuant to which Goldman Sachs agreed to act as Griffon’s financial advisor in connection with the acquisition of ClosetMaid. Griffon subsequently paid a customary financial advisory fee to Goldman Sachs under the terms of this engagement letter following consummation of the acquisition. On September 5, 2017, Griffon entered into an engagement letter with Goldman Sachs pursuant to which Goldman Sachs agreed to act as Griffon’s financial advisor in connection with the exploration of strategic alternatives for Clopay Plastics. On November 15, 2017, Griffon signed an agreement to sell Clopay Plastics for approximately $475,000 to Berry. Under the terms of the engagement letter, upon the closing of the transaction a customary advisory fee will be payable by Griffon to Goldman Sachs. Goldman Sachs acted as a joint lead manager and as an initial purchaser in connection with Griffon’s add-on offering of $275,000 aggregate principal amount of 5.25% senior notes due 2022 that closed on October 2, 2017, and received a customary fee upon closing of the offering. On June 19, 2018, GS Direct completed an underwritten secondary offering to sell 5,583,375 shares of Griffon's common stock, inclusive of the underwriters' 30-day option to purchase additional shares. Following the closing of the offering, GS Direct no longer owns any shares of Griffon. GS Direct's initial 10,000,000 share investment was in 2008.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 + Details
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