Fair Value of Financial Instruments - Nonrecurring Basis (Detail) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	May 02, 2021	May 03, 2020
Trade Names [Member]
Assets:
Tradename		$ 540
Significant Unobservable Inputs - Level 3 [Member] | Trade Names [Member]
Assets:
Tradename		$ 540
CIH [Member]
Assets:
Right of use assets	$ 2,544
Equipment and leasehold improvements	846
Inventory	31
CIH [Member] | Significant Other Observable Inputs - Level 2 [Member]
Assets:
Right of use assets	2,544
CIH [Member] | Significant Unobservable Inputs - Level 3 [Member]
Assets:
Equipment and leasehold improvements	846
Inventory	$ 31