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Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Restructuring Costs (Details)
$ in Thousands
 12 Months Ended
Feb. 02, 2018
USD ($)
Restructuring Costs [Abstract]  
Restructuring charges expected $ 4,200
Restructuring Charges 3,900
Restructuring Cost and Reserve [Line Items]  
Beginning balance 0
Provision 3,921
Cash disbursements (1,793)
Non-cash items 546
Ending balance 2,674
Termination Benefits  
Restructuring Cost and Reserve [Line Items]  
Beginning balance 0
Provision 2,401
Cash disbursements (1,793)
Non-cash items 0
Ending balance 608
Other Costs  
Restructuring Cost and Reserve [Line Items]  
Beginning balance 0
Provision 1,520
Cash disbursements 0
Non-cash items 546
Ending balance $ 2,066