ACQUISITION AND INVESTMENTS	6 Months Ended
Mar. 31, 2018
Business Combinations [Abstract]
ACQUISITIONS AND INVESTMENTS	ACQUISITIONS AND INVESTMENTS Fiscal 2018 On May 26, 2016, the Company’s Hawthorne segment acquired majority control and a 75% economic interest in Gavita. Gavita’s former ownership group initially retained a 25% noncontrolling interest in Gavita consisting of ownership of 5% of the outstanding shares of Gavita and a loan with interest payable based on distributions by Gavita. The loan was recorded at fair value in the “Long-term debt” line in the Condensed Consolidated Balance Sheets. On October 2, 2017, the Company’s Hawthorne segment acquired the remaining 25% noncontrolling interest in Gavita, including Agrolux, for $69.2 million, plus payment of contingent consideration of $3.0 million. The carrying value of the 25% noncontrolling interest consisted of long-term debt of $55.6 million and noncontrolling interest of $7.9 million. The difference between purchase price and carrying value was recognized in the “Capital in excess of stated value” line within “Total equity—controlling interest” in the Condensed Consolidated Balance Sheets. On October 11, 2017, the Company’s Hawthorne segment completed the acquisition of substantially all of the U.S. and Canadian assets of Can-Filters Group Inc. (“Can-Filters”) for $74.1 million. Based in British Columbia, Can-Filters is a leading wholesaler of ventilation products for indoor and hydroponic gardening and industrial markets worldwide. The preliminary valuation of the acquired assets included (i) $2.1 million of cash, prepaid and other current assets, (ii) $7.7 million of inventory and accounts receivable, (iii) $4.4 million of fixed assets, (iv) $0.7 million of accounts payable and other current liabilities, (v) $39.7 million of finite-lived identifiable intangible assets, and (vi) $20.9 million of tax-deductible goodwill. Identifiable intangible assets included tradenames and customer relationships with useful lives of 25 years. The estimated fair value of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate. Net sales for Can-Filters included within the Hawthorne segment for the three and six months ended March 31, 2018 were $3.4 million and $7.9 million, respectively. Fiscal 2017 On August 11, 2017, the Company’s Hawthorne segment completed the acquisition of substantially all of the assets of the exclusive manufacturer and formulator of branded Botanicare^® products for $32.0 million. The valuation of the acquired assets included (i) $0.3 million of inventory, (ii) $5.0 million of finite-lived identifiable intangible assets, and (iii) $26.7 million of tax-deductible goodwill. Identifiable intangible assets included manufacturing know-how and non-compete agreements with useful lives ranging between 5 and 10 years. The estimated fair values of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate. On May 26, 2017, the Company’s majority-owned subsidiary Gavita completed the acquisition of Agrolux Holding B.V., and its subsidiaries (collectively, “Agrolux”), for $21.8 million. Based in the Netherlands, Agrolux is a worldwide supplier of horticultural lighting. The purchase price included contingent consideration, a non-cash investing activity, with a maximum payout and estimated fair value of $5.2 million, which was paid subsequent to March 31, 2018. The valuation of the acquired assets included (i) $8.0 million of cash, prepaid and other current assets, (ii) $10.1 million of inventory and accounts receivable, (iii) $0.5 million of fixed assets, (iv) $8.6 million of accounts payable and other current liabilities, (v) $6.7 million of short term debt, (vi) $16.1 million of finite-lived identifiable intangible assets, (vii) $6.4 million of non-deductible goodwill, and (viii) $4.0 million of deferred tax liabilities. Identifiable intangible assets included tradenames and customer relationships with useful lives ranging between 10 and 20 years. The estimated fair values of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate. Net sales for Agrolux included within the Hawthorne segment for the three and six months ended March 31, 2018 were $5.3 million and $26.0 million, respectively. On October 3, 2016, the Company’s Hawthorne segment completed the acquisition of American Agritech, L.L.C., d/b/a Botanicare (“Botanicare”), an Arizona-based leading producer of plant nutrients, plant supplements and growing systems used for hydroponic gardening, for $92.6 million. The purchase price included contingent consideration, a non-cash investing activity, of $15.5 million, which was paid during the third quarter of fiscal 2017. The valuation of the acquired assets included (i) $1.2 million of cash, prepaid and other current assets, (ii) $8.4 million of inventory and accounts receivable, (iii) $1.4 million of fixed assets, (iv) $2.3 million of accounts payable and other current liabilities, (v) $53.0 million of finite-lived identifiable intangible assets, and (vi) $30.9 million of tax-deductible goodwill. Identifiable intangible assets included tradenames, customer relationships and non-compete arrangements with useful lives ranging between 5 and 25 years. The estimated fair values of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate. Net sales for Botanicare included within the Hawthorne segment for the three and six months ended March 31, 2018 were $8.1 million and $15.2 million, respectively, as compared to $11.3 million and $21.2 million for the three and six months ended April 1, 2017, respectively. During the first quarter of fiscal 2017, the Company’s U.S. Consumer segment completed two acquisitions of companies whose products support the Company’s focus on the emerging areas of water positive landscapes and internet-enabled technology for an aggregate purchase price of $3.2 million. The valuation of the acquired assets for the transactions included finite-lived identifiable intangible assets and goodwill of $2.8 million. During the third quarter of fiscal 2017, the Company’s Hawthorne segment completed the acquisition of a company focused on the technology supporting hydroponic growing systems for an aggregate purchase price of $3.5 million, which included finite-lived identifiable intangible assets of $3.2 million.

ACQUISITIONS AND INVESTMENTS

Fiscal 2018

On May 26, 2016, the Company’s Hawthorne segment acquired majority control and a 75% economic interest in Gavita. Gavita’s former ownership group initially retained a 25% noncontrolling interest in Gavita consisting of ownership of 5% of the outstanding shares of Gavita and a loan with interest payable based on distributions by Gavita. The loan was recorded at fair value in the “Long-term debt” line in the Condensed Consolidated Balance Sheets. On October 2, 2017, the Company’s Hawthorne segment acquired the remaining 25% noncontrolling interest in Gavita, including Agrolux, for $69.2 million, plus payment of contingent consideration of $3.0 million. The carrying value of the 25% noncontrolling interest consisted of long-term debt of $55.6 million and noncontrolling interest of $7.9 million. The difference between purchase price and carrying value was recognized in the “Capital in excess of stated value” line within “Total equity—controlling interest” in the Condensed Consolidated Balance Sheets.

On October 11, 2017, the Company’s Hawthorne segment completed the acquisition of substantially all of the U.S. and Canadian assets of Can-Filters Group Inc. (“Can-Filters”) for $74.1 million. Based in British Columbia, Can-Filters is a leading wholesaler of ventilation products for indoor and hydroponic gardening and industrial markets worldwide. The preliminary valuation of the acquired assets included (i) $2.1 million of cash, prepaid and other current assets, (ii) $7.7 million of inventory and accounts receivable, (iii) $4.4 million of fixed assets, (iv) $0.7 million of accounts payable and other current liabilities, (v) $39.7 million of finite-lived identifiable intangible assets, and (vi) $20.9 million of tax-deductible goodwill. Identifiable intangible assets included tradenames and customer relationships with useful lives of 25 years. The estimated fair value of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate. Net sales for Can-Filters included within the Hawthorne segment for the three and six months ended March 31, 2018 were $3.4 million and $7.9 million, respectively.

Fiscal 2017

On August 11, 2017, the Company’s Hawthorne segment completed the acquisition of substantially all of the assets of the exclusive manufacturer and formulator of branded Botanicare^® products for $32.0 million. The valuation of the acquired assets included (i) $0.3 million of inventory, (ii) $5.0 million of finite-lived identifiable intangible assets, and (iii) $26.7 million of tax-deductible goodwill. Identifiable intangible assets included manufacturing know-how and non-compete agreements with useful lives ranging between 5 and 10 years. The estimated fair values of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate.

On May 26, 2017, the Company’s majority-owned subsidiary Gavita completed the acquisition of Agrolux Holding B.V., and its subsidiaries (collectively, “Agrolux”), for $21.8 million. Based in the Netherlands, Agrolux is a worldwide supplier of horticultural lighting. The purchase price included contingent consideration, a non-cash investing activity, with a maximum payout and estimated fair value of $5.2 million, which was paid subsequent to March 31, 2018. The valuation of the acquired assets included (i) $8.0 million of cash, prepaid and other current assets, (ii) $10.1 million of inventory and accounts receivable, (iii) $0.5 million of fixed assets, (iv) $8.6 million of accounts payable and other current liabilities, (v) $6.7 million of short term debt, (vi) $16.1 million of finite-lived identifiable intangible assets, (vii) $6.4 million of non-deductible goodwill, and (viii) $4.0 million of deferred tax liabilities. Identifiable intangible assets included tradenames and customer relationships with useful lives ranging between 10 and 20 years. The estimated fair values of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate. Net sales for Agrolux included within the Hawthorne segment for the three and six months ended March 31, 2018 were $5.3 million and $26.0 million, respectively.

On October 3, 2016, the Company’s Hawthorne segment completed the acquisition of American Agritech, L.L.C., d/b/a Botanicare (“Botanicare”), an Arizona-based leading producer of plant nutrients, plant supplements and growing systems used for hydroponic gardening, for $92.6 million. The purchase price included contingent consideration, a non-cash investing activity, of $15.5 million, which was paid during the third quarter of fiscal 2017. The valuation of the acquired assets included (i) $1.2 million of cash, prepaid and other current assets, (ii) $8.4 million of inventory and accounts receivable, (iii) $1.4 million of fixed assets, (iv) $2.3 million of accounts payable and other current liabilities, (v) $53.0 million of finite-lived identifiable intangible assets, and (vi) $30.9 million of tax-deductible goodwill. Identifiable intangible assets included tradenames, customer relationships and non-compete arrangements with useful lives ranging between 5 and 25 years. The estimated fair values of the identifiable intangible assets were determined using an income-based approach, which includes market participant expectations of cash flows that an asset will generate over the remaining useful life discounted to present value using an appropriate discount rate. Net sales for Botanicare included within the Hawthorne segment for the three and six months ended March 31, 2018 were $8.1 million and $15.2 million, respectively, as compared to $11.3 million and $21.2 million for the three and six months ended April 1, 2017, respectively.

During the first quarter of fiscal 2017, the Company’s U.S. Consumer segment completed two acquisitions of companies whose products support the Company’s focus on the emerging areas of water positive landscapes and internet-enabled technology for an aggregate purchase price of $3.2 million. The valuation of the acquired assets for the transactions included finite-lived identifiable intangible assets and goodwill of $2.8 million. During the third quarter of fiscal 2017, the Company’s Hawthorne segment completed the acquisition of a company focused on the technology supporting hydroponic growing systems for an aggregate purchase price of $3.5 million, which included finite-lived identifiable intangible assets of $3.2 million.