Significant Accounting Policies (Tables)

12 Months Ended

Oct. 03, 2015

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 year-end
	2015			2014			2013
Beginning balance	$	1,155		$	1,386		$	1,443
Additions charged to expenses	2,716			1,194			1,622
Deductions from reserves	(856		)	(1,425		)	(1,679		)
Ending balance	$	3,015		$	1,155		$	1,386

Schedule of inventories

Inventories are stated at the lower of cost (first-in, first-out) or market. Inventories are as follows (in thousands):

	Fiscal year-end
	2015		2014
Purchased parts and assemblies	$	50,182	$	51,091
Work-in-process	56,225		70,486
Finished goods	50,207		48,906
Total inventories	$	156,614	$	170,483

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
	2015			2014			Useful Life
Land	$	6,132		$	6,235
Buildings and improvements	69,970			73,154			5-40 years
Equipment, furniture and fixtures	230,208			224,133			3-10 years
Leasehold improvements	31,290			30,632			1-15 years
	337,600			334,154
Accumulated depreciation and amortization	(235,155		)	(226,730		)
Property and equipment, net	$	102,445		$	107,424

Schedule of reconciliation of changes in asset retirement liability

The following table reconciles changes in our asset retirement liability for fiscal 2015 and 2014 (in thousands):

Asset retirement liability as of September 28, 2013	$	2,247
Adjustment to asset retirement obligations recognized	39
Accretion recognized	53
Changes due to foreign currency exchange	(117		)
Asset retirement liability as of September 27, 2014	2,222
Adjustment to asset retirement obligations recognized	542
Accretion recognized	55
Changes due to foreign currency exchange	(165		)
Asset retirement liability as of October 3, 2015	$	2,654

Schedule of components of reserve for warranty costs

Components of the reserve for warranty costs during fiscal 2015, 2014 and 2013 were as follows (in thousands):

	Fiscal year-end
	2015			2014			2013
Beginning balance	$	16,961		$	18,508		$	17,442
Additions related to current period sales	20,959			24,149			26,721
Warranty costs incurred in the current period	(21,922		)	(25,144		)	(27,975		)
Accruals resulting from acquisitions	215			—			1,735
Adjustments to accruals related to foreign exchange and other	(905		)	(552		)	585
Ending balance	$	15,308		$	16,961		$	18,508

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
	2015		2014		2013
Weighted average shares outstanding—basic	24,754		24,760		24,138
Dilutive effect of employee stock awards	238		316		417
Weighted average shares outstanding—diluted	24,992		25,076		24,555
Net income	$	76,409	$	59,106	$	66,355
Net income—basic	$	3.09	$	2.39	$	2.75
Net income—diluted	$	3.06	$	2.36	$	2.70