Pension Plans - Assumptions used to Determine Benefit Obligations and Periodic Pension Costs (Details) - Foreign Pension Plan, Defined Benefit	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015
Assumptions used to determine benefit obligations (at the end of the year):
Discount rate	3.60%	3.00%
Salary increases	2.50%	2.50%
Assumptions used to determine net periodic pension costs (at the start of the year):
Discount rate	3.00%	4.40%
Expected return on UK Plan assets	3.90%	5.25%
Salary increases	2.50%	3.00%