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

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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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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Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Oct. 01, 2017	Oct. 02, 2016	Jul. 01, 2018
Property and Equipment
Property and equipment, gross	$ 163,364	$ 181,395
Accumulated depreciation	(120,086)	(124,560)
Property and equipment, net	43,278	56,835
Depreciation expense related to property and equipment	19,600	22,200	$ 22,800
Equipment, furniture and fixtures
Property and Equipment
Property and equipment, gross	131,521	150,026
Leasehold improvements
Property and Equipment
Property and equipment, gross	31,430	27,689
Land and buildings
Property and Equipment
Property and equipment, gross	$ 413	$ 3,680
CIG
Property and Equipment
Disposal group, property and equipment				$ 7,000
CIG \| Land and buildings
Property and Equipment
Disposal group, property and equipment				$ 3,000