Basis of Presentation - Narrative (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Nov. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets	$ 73,137
Present value of operating lease liabilities	$ 76,389
ASU No. 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets		$ 78,100
Present value of operating lease liabilities		$ 77,100