ACQUISITIONS & DIVESTITURES	6 Months Ended
Sep. 30, 2018
Business Combinations [Abstract]
ACQUISITIONS & DIVESTITURES	ACQUISITIONS & DIVESTITURES HNT Tools Business Divestiture On September 14, 2018 (the HNT Divestiture Date), the Company divested its HNT tools business for cash proceeds of $1.3 million and potential future earnout payments of up to $4.0 million over two years that are contingent on the HNT tools business achieving certain milestones. The fair value of the contingent consideration in the amount of $2.3 million was recognized on the HNT Divestiture Date and was measured using unobservable (Level 3) inputs. The $2.3 million of consideration is included in other assets within the Company’s consolidated balance sheet at September 30, 2018. Changes in the fair value of the contingent consideration in future periods will be recorded in the Company’s results in the period of the change. The contingent consideration is presented as a non-cash investing activity on the unaudited consolidated statement of cash flows. The Company transferred $4.5 million along with net liabilities of the HNT tools business related to a working capital adjustment during the three months ended September 30, 2018. The Company recorded a loss on the divestiture for the quarter ended September 30, 2018 totaling $9.2 million, which included $1.3 million of transaction costs and $0.5 million of incentive compensation payable to the HNT tools business employees negotiated as part of the sale. In connection with the divestiture, the Company has entered into a transitional services agreement with the buyer to provide certain services for a period of up to eighteen months. The Company determined that the sale of the HNT tools business did not represent a strategic shift and will not have a major effect on its consolidated results of operations, financial position or cash flows. Accordingly, the Company has not presented the sale as a discontinued operation in the condensed consolidated financial statements. Efflux On July 12, 2017 (the Efflux Closing Date), the Company completed the acquisition of Efflux for $8.6 million. Efflux's technology detects, analyzes and correlates threat activity within enterprise networks. The Efflux technology and engineering talent have been integrated into Arbor Networks in order to support the ongoing enhancement of Arbor security solutions for advanced threat detection. Goodwill was recognized for the excess purchase price over the fair value of the net assets acquired. Goodwill of $6.1 million from the acquisition was included within the Security reporting unit. Goodwill and intangible assets recorded as part of the acquisition are not deductible for tax purposes.

ACQUISITIONS & DIVESTITURES

HNT Tools Business Divestiture

On September 14, 2018 (the HNT Divestiture Date), the Company divested its HNT tools business for cash proceeds of $1.3 million and potential future earnout payments of up to $4.0 million over two years that are contingent on the HNT tools business achieving certain milestones. The fair value of the contingent consideration in the amount of $2.3 million was recognized on the HNT Divestiture Date and was measured using unobservable (Level 3) inputs. The $2.3 million of consideration is included in other assets within the Company’s consolidated balance sheet at September 30, 2018. Changes in the fair value of the contingent consideration in future periods will be recorded in the Company’s results in the period of the change. The contingent consideration is presented as a non-cash investing activity on the unaudited consolidated statement of cash flows. The Company transferred $4.5 million along with net liabilities of the HNT tools business related to a working capital adjustment during the three months ended September 30, 2018. The Company recorded a loss on the divestiture for the quarter ended September 30, 2018 totaling $9.2 million, which included $1.3 million of transaction costs and $0.5 million of incentive compensation payable to the HNT tools business employees negotiated as part of the sale. In connection with the divestiture, the Company has entered into a transitional services agreement with the buyer to provide certain services for a period of up to eighteen months.

The Company determined that the sale of the HNT tools business did not represent a strategic shift and will not have a major effect on its consolidated results of operations, financial position or cash flows. Accordingly, the Company has not presented the sale as a discontinued operation in the condensed consolidated financial statements.

Efflux

On July 12, 2017 (the Efflux Closing Date), the Company completed the acquisition of Efflux for $8.6 million. Efflux's technology detects, analyzes and correlates threat activity within enterprise networks. The Efflux technology and engineering talent have been integrated into Arbor Networks in order to support the ongoing enhancement of Arbor security solutions for advanced threat detection.

Goodwill was recognized for the excess purchase price over the fair value of the net assets acquired. Goodwill of $6.1 million from the acquisition was included within the Security reporting unit. Goodwill and intangible assets recorded as part of the acquisition are not deductible for tax purposes.