Significant Accounting Policies (Tables)

12 Months Ended

Oct. 03, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of activity in accounts receivable allowance

Activity in accounts receivable allowance is as follows (in thousands):

	Fiscal
	2020		2019		2018
Beginning balance	$	8,690	$	4,568	$	6,890
Additions charged to expenses	2,630		5,210		1,980
Accruals related to acquisitions	—		—		37
Deductions from reserves	(3,690)		(1,088)		(4,339)
Ending balance	$	7,630	$	8,690	$	4,568

Schedule of inventories

Inventories are stated at the lower of cost (first-in, first-out or weighted average cost) or net realizable value. Inventories are as follows (in thousands):

	Fiscal year-end
	2020		2019
Purchased parts and assemblies	$	116,957	$	134,298
Work-in-process	173,871		174,550
Finished goods	135,928		133,682
Total inventories	$	426,756	$	442,530

Schedule of property and equipment cost, accumulated depreciation and amortization and estimated useful lives

Cost, accumulated depreciation and amortization, and estimated useful lives are as follows (dollars in thousands):

	Fiscal year-end
	2020		2019		Useful Life
Land	$	19,576	$	19,490
Buildings and improvements	169,748		173,333		5-40 years
Equipment, furniture and fixtures	364,376		389,225		3-10 years
Leasehold improvements	72,474		94,878		shorter of asset life or lease term
	626,174		676,926
Accumulated depreciation and amortization	(380,496)		(353,492)
Property and equipment, net	$	245,678	$	323,434

Schedule of reconciliation of changes in asset retirement liability

The following table reconciles changes in our asset retirement liability for fiscal 2020 and 2019 (in thousands):

Asset retirement liability as of September 29, 2018	$	5,802
Reduction to asset retirement obligations	(1,155)
Adjustments and additions to asset retirement obligations recognized	390
Accretion recognized	127
Changes due to foreign currency exchange	(90)
Asset retirement liability as of September 28, 2019	5,074
Reduction to asset retirement obligations	(32)
Adjustments and additions to asset retirement obligations recognized	813
Accretion recognized	161
Changes due to foreign currency exchange	163
Asset retirement liability as of October 3, 2020	$	6,179

Schedule of components of reserve for warranty costs

Components of the reserve for warranty costs during fiscal 2020, 2019, and 2018 were as follows (in thousands):

	Fiscal
	2020		2019		2018
Beginning balance	$	36,460	$	40,220	$	36,149
Additions related to current period sales	37,788		52,271		58,865
Warranty costs incurred in the current period	(40,724)		(54,538)		(51,935)
Accruals resulting from acquisitions	—		21		179
Adjustments to accruals related to foreign exchange and other	1,508		(1,514)		(3,038)
Ending balance	$	35,032	$	36,460	$	40,220

Schedule of information necessary to calculate basic and diluted earnings (loss) per share

The following table presents information necessary to calculate basic and diluted earnings per share (in thousands, except per share data):

	Fiscal
	2020		2019		2018
Weighted average shares outstanding—basic	24,105		24,118		24,572
Dilutive effect of employee stock awards	—		161		279
Weighted average shares outstanding—diluted	24,105		24,279		24,851
Net income (loss) from continuing operations	$	(414,139)	$	53,825	$	247,360
Loss from discontinued operations, net of income taxes	—		—		(2)
Net income (loss)	$	(414,139)	$	53,825	$	247,358