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Changes in Stockholders' Deficit - Additional Information (Detail) - $ / shares		3 Months Ended		8 Months Ended
	Oct. 06, 2020	Sep. 06, 2020	Sep. 08, 2019	Sep. 06, 2020	Sep. 08, 2019
Dividends declared per share		$ 0.78	$ 0.65	$ 2.34	$ 1.95
Subsequent Event [Member]
Dividends declared per share	$ 0.78
Record date of dividend	Dec. 15, 2020
Dividend declared date	Oct. 06, 2020
Dividend payable date	Dec. 30, 2020

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Aggregate dividends declared during the period for each share of common stock outstanding.

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