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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Aug. 01, 2018 | Jan. 31, 2021 | Jan. 26, 2020 | Jan. 27, 2019
Loss Contingencies [Line Items] |  |  |  |
Deferred compensation expense (benefit), net of forfeitures |  | $ 7,000 | $ 6,800 | $ 1,300
Earn-out liability expected to be paid within twelve months |  | 1,958 | 2,108 |
Litigation settlement | $ 9,000 |  |  |
Deferred Compensation, Gain (Loss) From Hedging Instrument |  | 300 |  |
Cash Surrender Value Of Life Insurance, (Gain) Loss |  | (3,300) | (3,800) | 1,800
Swiss Plans |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Net periodic pension expense |  | 2,400 | 2,400 |
French Plan |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Net periodic pension expense |  | 100 |  |
Selling, general and administrative expenses |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Litigation settlement |  |  | 1,000 | 8,000
Cycleo Earn-out |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Earn-out liability |  | 2,000 | 2,100 |
Business Combination, Contingent Consideration, Compensation Expense Liability |  | 1,700 | 1,800 |
Business Combination, Contingent Consideration, Liability Not Contingent Upon Further Employment |  | 300 | 300 |
United States | Defined Contribution Plan [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Employer contribution to defined contribution plan |  | 1,200 | 1,200 | 1,000
Foreign Plan [Member] | Pension Plan [Member] | Swiss Plans |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Unfunded net pension obligation |  | 13,900 | 13,400 |
Pension plan assets |  | 36,300 | 32,800 |
Projected benefit obligation of pension plan |  | 50,200 | 46,200 |
Contributions made by the Company |  | 1,600 | 1,600 |
Foreign Plan [Member] | Pension Plan [Member] | French Plan |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Unfunded net pension obligation |  | 400 | 400 |
Pension plan assets |  | 0 | 0 |
Projected benefit obligation of pension plan |  | 400 | 400 |
Contributions made by the Company |  | 600 |  |
Foreign Plan [Member] | Defined Contribution Plan [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Employer contribution to defined contribution plan |  | 700 | 800 | $ 600
Environmental Issue |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Payment towards remediation plan |  | 5,300 |  |
Loss contingency accrual |  | 2,100 |  |
Environmental Issue | Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimate of probable loss |  | 7,400 |  |
Environmental Issue | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimate of probable loss |  | 8,000 |  |
Other assets |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Cash surrender value of life insurance |  | $ 27,600 | $ 24,300 |

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