Leases (Lease Maturity Under Topic 840) (Details)	Jul. 31, 2019 USD ($)
Operating
Fiscal 2020	$ 11,812,000
Fiscal 2021	8,723,000
Fiscal 2022	7,343,000
Fiscal 2023	5,776,000
Fiscal 2024	3,430,000
Thereafter	7,130,000
Total	44,214,000
Capital
Fiscal 2020	789,000
Fiscal 2021	0
Fiscal 2022	0
Fiscal 2023	0
Fiscal 2024	0
Thereafter	0
Total	789,000
Less amount representing interest	32,000
Present value of net minimum lease payments	757,000
Total
Fiscal 2020	12,601,000
Fiscal 2021	8,723,000
Fiscal 2022	7,343,000
Fiscal 2023	5,776,000
Fiscal 2024	3,430,000
Thereafter	7,130,000
Total	45,003,000
Less amount representing interest	32,000
Present value of net minimum lease payments	$ 44,971,000

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