Leases (Lease Liabilities) (Details)	Jan. 31, 2021 USD ($)
Operating
Remainder of fiscal 2021	$ 5,355,000
Fiscal 2022	10,063,000
Fiscal 2023	8,502,000
Fiscal 2024	7,159,000
Fiscal 2025	6,531,000
Thereafter	25,128,000
Total future undiscounted cash flows	62,738,000
Less: Present value discount	8,708,000
Lease liabilities	$ 54,030,000
Weighted-average remaining lease terms (in years)	8 years 9 months
Weighted-average discount rate	3.56%
Finance
Remainder of fiscal 2021	$ 16,000
Fiscal 2022	13,000
Fiscal 2023	3,000
Fiscal 2024	0
Fiscal 2025	0
Thereafter	0
Total future undiscounted cash flows	32,000
Less: Present value discount	3,000
Lease liabilities	$ 29,000
Weighted-average remaining lease terms (in years)	1 year 5 months 1 day
Weighted-average discount rate	6.02%
Total
Remainder of fiscal 2021	$ 5,371,000
Fiscal 2022	10,076,000
Fiscal 2023	8,505,000
Fiscal 2024	7,159,000
Fiscal 2025	6,531,000
Thereafter	25,128,000
Total future undiscounted cash flows	62,770,000
Less: Present value discount	8,711,000
Lease liabilities	$ 54,059,000

Finance Lease, Liability, To Be Paid, After Year Four

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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