Pension Plans - Assumptions used to Determine Benefit Obligations and Periodic Pension Costs (Details) - Pension plan - Foreign Plan	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017
Assumptions used to determine benefit obligations (at the end of the year):
Discount rate	2.60%	2.90%
Salary increases	2.50%	2.00%
Assumptions used to determine net periodic pension costs (at the start of the year):
Discount rate	2.90%	3.60%
Expected return on UK Plan assets	3.80%	4.20%
Salary increases	2.00%	2.50%