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