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Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jul. 31, 2018	Jul. 31, 2017
Property, Plant and Equipment [Abstract]
Equipment	$ 73,700	$ 75,867
Land and buildings		62,255
Computer software	107,116	88,480
Leasehold improvements	805	1,977
Furniture and fixtures	306	1,474
Property, plant and equipment, gross	181,927	230,053
Less accumulated depreciation and amortization	(145,859)	(141,059)
Property, plant and equipment, net	$ 36,068	$ 88,994

X

- Definition

Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

+ References

No definition available.

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X

- Definition

Amount before accumulated depletion of building or real estate held for productive use, excluding land held for sale.

+ References

No definition available.

+ Details

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X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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-SubTopic 10
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- Definition

Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

+ References

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-Publisher FASB
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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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- Definition

Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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