Long-Term Debt (Details) - USD ($) $ in Thousands	Oct. 31, 2015	Jan. 31, 2015	Nov. 01, 2014
Debt Instrument [Line Items]
Total long-term debt	$ 215,128	$ 29,155
Current portion	15,437	13,152	$ 35,347
Total Noncurrent Portion of Long-Term Debt	199,691	16,003	$ 79,688
U.S. Revolver Borrowings
Debt Instrument [Line Items]
Total long-term debt	148,800
Revolving Credit Facility | U.S. Revolver Borrowings
Debt Instrument [Line Items]
Total long-term debt	148,845	0
Revolving Credit Facility | UK Revolver Borrowings
Debt Instrument [Line Items]
Total long-term debt	27,015	0
Line of Credit | UK Term Loans
Debt Instrument [Line Items]
Total long-term debt	$ 39,268	$ 29,155