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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Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 29, 2019	Sep. 30, 2018	Oct. 01, 2017
Property and Equipment
Property and equipment, gross	$ 149,904	$ 163,364
Accumulated depreciation	(110,463)	(120,086)
Property and equipment, net	39,441	43,278
Depreciation expense related to property and equipment	17,300	19,600	$ 22,200
Assets held-for-sale	5,400
Equipment, furniture and fixtures
Property and Equipment
Property and equipment, gross	114,652	131,521
Leasehold improvements
Property and Equipment
Property and equipment, gross	34,881	31,430
Land and buildings
Property and Equipment
Property and equipment, gross	$ 371	413
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