The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Recently Issued Accounting Standards - Additional Information - (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	May 04, 2019	May 05, 2018	Feb. 03, 2018
New Accounting Pronouncements or Change in Accounting Principle
Net income	$ 35,722	$ 25,461
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle
Opening retained earnings balance, inclusive of tax impact			$ 4,000