Leases- Maturities of lease liabilities (Detail) $ in Thousands	Jul. 31, 2019 USD ($)
Operating leases
Remaining for Fiscal 2020	$ 3,281
Fiscal 2021	6,107
Fiscal 2022	4,983
Fiscal 2023	3,215
Fiscal 2024	2,535
Thereafter	2,289
Total lease payments	22,410
Less imputed interest	(1,947)
Total	20,463
Finance leases
Remaining for Fiscal 2020	505
Fiscal 2021	1,011
Fiscal 2022	337
Fiscal 2023	0
Fiscal 2024	0
Thereafter	0
Total lease payments	1,853
Less imputed interest	(68)
Total	$ 1,785