Note 6 - Retirement and Other Benefit Plans - Changes in Fair Value of Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 01, 2020	Feb. 02, 2019
Fair value of plan assets	$ 368,217
Fair value of plan assets		$ 368,217
Pension Plan [Member]
Fair value of plan assets	381,450	407,081
Actual return on plan assets	81,282	(13,677)
Employer contributions	151	3,847
Plan participants’ contributions	9	10
Benefits paid	(14,399)	(14,352)
Settlements	(20,263)	(3,656)
Foreign exchange rate changes	(44)	(243)
Acquisitions	0	2,440
Fair value of plan assets	428,186	381,450
Other Postretirement Benefits Plan [Member]
Fair value of plan assets	0	0
Actual return on plan assets	0	0
Employer contributions	111	170
Plan participants’ contributions	6	6
Benefits paid	(117)	(176)
Settlements	0	0
Foreign exchange rate changes	0	0
Acquisitions	0	0
Fair value of plan assets	$ 0	$ 0

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

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Amount of increase in plan assets of defined benefit plan from business combination.

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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Amount of contributions received by defined benefit plan from participant which increases plan assets.

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Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

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Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract.

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