Benefit Plans and Stock-Based Compensation - Additional Information (Parenthetical) (Detail)
$ in Thousands, $ in Thousands |
|
12 Months Ended |
|
Mar. 31, 2019
USD ($)
shares
|
Mar. 31, 2019
CAD ($)
shares
|
Mar. 28, 2020
USD ($)
shares
|
Mar. 28, 2020
CAD ($)
shares
|
Mar. 30, 2019
shares
|
Mar. 31, 2018
shares
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Equity cash-out payment, option |
|
|
|
|
(51,400)
|
(60,000)
|
| Former Senior Executive [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Equity cash-out payment |
$ 42,000
|
$ 54,000
|
$ 16,000
|
$ 20,000
|
|
|
| Omnibus LTIP [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Equity cash-out payment, option |
25,000
|
25,000
|
14,000
|
14,000
|
|
|
| Long Term Incentive Plan [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Equity cash-out payment, option |
35,000
|
35,000
|
35,000
|
35,000
|
|
|
| Birks Stock Option Plan [Member] |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Equity cash-out payment, option |
|
|
2,400
|
2,400
|
|
|