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Equity-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		9 Months Ended
	Mar. 06, 2019	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	May 04, 2019	Apr. 01, 2019	Mar. 19, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense		$ 1.1	$ 1.1	$ 3.5	$ 2.9
Special cash dividend, per share	$ 1.15					$ 1.15
Cash dividend paid							$ 50.2
Dividend declared, date	Mar. 06, 2019
Dividend payable, date	Apr. 01, 2019
Shareholders of record, date	Mar. 19, 2019
2017 Plan [Member] \| Restricted Share Awards ("RSAs") [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Special cash dividend, per share								$ 1.15