Leases - Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 28, 2020 |
Mar. 30, 2019 |
Mar. 31, 2018 |
|
| Operating Leased Assets [Line Items] | |||
| Weighted average remaining lease term operating leases | 6 years | ||
| Weighted average discount rate operating leases | 10.00% | ||
| Operating leases, rent expense | $ 15.4 | $ 14.3 | |
| Store Relocation Commitment [Member] | |||
| Operating Leased Assets [Line Items] | |||
| Operating lease unexecuted commitement | $ 3.3 | ||
| Operating lease unexcecuted commitement term | 10 years | ||