Leases - Assets and Liabilities (Details) $ in Thousands	Jan. 31, 2020 USD ($)
Leases [Abstract]
Operating lease right-of-use assets	$ 31,870
Other current liabilities	4,570
Other long-term liabilities	27,446
Total operating lease liabilities	32,016
Finance lease, right-of-use asset	3,944
Other current liabilities	473
Other long-term liabilities	5,003
Total finance lease liabilities	$ 5,476
Weighted-aver remaining lease term - Operating leases	14 years 2 months 12 days
Weighted-aver remaining lease term - Finance leases	7 years 3 months 18 days
Weighted-average discount rate - Operating leases	3.40%
Weighted-average discount rate - Finance leases	9.70%