Investment in Nikola	6 Months Ended
Nov. 30, 2020
Equity Method Investments And Joint Ventures [Abstract]
Investment in Nikola	NOTE C – Investment in Nikola On June 3, 2020 (the “Effective Date”), Nikola Corporation (“Nikola”) became a public company through a reverse merger with a subsidiary of VectoIQ Acquisition Corporation, a NASDAQ listed publicly traded company. At the Effective Date, we owned 19,048,020 shares of Nikola common stock. During the first quarter of fiscal 2021, we recognized a $796,141,000 pre-tax gain consisting of $508,511,000 in realized gains from the sale of 11,500,000 of our Nikola shares and a charitable contribution of 500,000 of those shares, and an unrealized mark-to-market gain of $287,630,000 for the remaining 7,048,020 Nikola shares we continued to hold at August 31, 2020 when the market price was $40.81 per share. We also recognized $49,511,000 of incremental expenses in operating income related to the Nikola gains consisting of $28,858,000 for discretionary profit sharing and bonus expenses and $20,653,000 for the charitable contribution of the 500,000 Nikola shares to the Worthington Industries Foundation to establish a charitable endowment focused on the communities in which the Company operates. During the second quarter of fiscal 2021, the market price of the Nikola shares dropped from $40.81 per share at August 31, 2020 to $20.41 per share at November 30, 2020, resulting in an unrealized mark-to-market loss of $143,780,000 for the 7,048,020 shares we held at quarter end, and reducing the pre-tax year-to-date realized and unrealized gain on the investment in Nikola to $652,362,000. In addition, during the second quarter, we recorded incremental expenses of $4,570,000 for discretionary bonuses related to the Nikola investment gain, which are subject to service requirements and required to be recognized as they are earned throughout fiscal 2021.

Investment in Nikola

6 Months Ended

Nov. 30, 2020

Equity Method Investments And Joint Ventures [Abstract]

NOTE C – Investment in Nikola

On June 3, 2020 (the “Effective Date”), Nikola Corporation (“Nikola”) became a public company through a reverse merger with a subsidiary of VectoIQ Acquisition Corporation, a NASDAQ listed publicly traded company. At the Effective Date, we owned 19,048,020 shares of Nikola common stock. During the first quarter of fiscal 2021, we recognized a $796,141,000 pre-tax gain consisting of $508,511,000 in realized gains from the sale of 11,500,000 of our Nikola shares and a charitable contribution of 500,000 of those shares, and an unrealized mark-to-market gain of $287,630,000 for the remaining 7,048,020 Nikola shares we continued to hold at August 31, 2020 when the market price was $40.81 per share. We also recognized $49,511,000 of incremental expenses in operating income related to the Nikola gains consisting of $28,858,000 for discretionary profit sharing and bonus expenses and $20,653,000 for the charitable contribution of the 500,000 Nikola shares to the Worthington Industries Foundation to establish a charitable endowment focused on the communities in which the Company operates.

During the second quarter of fiscal 2021, the market price of the Nikola shares dropped from $40.81 per share at August 31, 2020 to $20.41 per share at November 30, 2020, resulting in an unrealized mark-to-market loss of $143,780,000 for the 7,048,020 shares we held at quarter end, and reducing the pre-tax year-to-date realized and unrealized gain on the investment in Nikola to $652,362,000. In addition, during the second quarter, we recorded incremental expenses of $4,570,000 for discretionary bonuses related to the Nikola investment gain, which are subject to service requirements and required to be recognized as they are earned throughout fiscal 2021.