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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Investments (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
Investments (Details) - USD ($) $ in Millions	Apr. 30, 2019	Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019	May 31, 2019	Mar. 27, 2019	Mar. 26, 2019
Investments (Details) [Line Items]
Investments		$ 32.4	$ 36.7	$ 32.4	$ 36.7	$ 29.4
Income from equity method investments		0.6	1.2	3.6	5.7
Make Believe Ideas Limited (MBI)
Investments (Details) [Line Items]
Percentage of interests acquired							46.50%
Equity method ownership percentage							95.00%	48.50%
Financing and Production Company
Investments (Details) [Line Items]
Other equity percentage	4.60%
International
Investments (Details) [Line Items]
Equity method investment		26.4	36.7	26.4	36.7	23.4
Children's Book Publishing and Distribution \| Other Investments
Investments (Details) [Line Items]
Investments		$ 6.0	$ 0.0	$ 6.0	$ 0.0	$ 6.0