Capital Assets (Tables)

12 Months Ended

Sep. 29, 2018

Capital Assets [Abstract]

Property And Equipment

Property and equipment, net are as follows:

	2018			2017
Land and improvements	$	2,881		$	2,867
Buildings and improvements	58,880			60,340
Machinery and equipment	203,647			196,621
Assets held under capital leases	2,815			2,747
Total property and equipment	268,223			262,575
Less: Accumulated depreciation	(177,954		)	(162,645		)
Total property and equipment, net	$	90,269		$	99,930

Goodwill

Changes to the carrying amount of goodwill are as follows:

	Test			Sensors			Total
Balance, October 1, 2016	$	25,022		$	344,678		$	369,700
Adjustment related to finalization of purchase accounting1	—			(64		)	(64		)
Currency translation gain (loss)	87			39			126
Balance, September 30, 2017	$	25,109		$	344,653		$	369,762
Currency translation gain (loss)	(478		)	(9		)	(487		)
Balance, September 29, 2018	$	24,631		$	344,644		$	369,275

¹ See Note 13 for additional information regarding acquisitions.

Other Intangible Assets

Intangible assets are as follows:

	September 29, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Weighted Average Useful Life (in Years)
Software development costs1	$	31,251	$	(15,860	)	$	15,391	6.5
Technology and patents	46,405		(12,188		)	34,217		14.9
Trademarks and trade names	6,754		(2,987		)	3,767		25.4
Customer lists	156,971		(23,314		)	133,657		15.8
Land-use rights	2,336		(730		)	1,606		26.0
Trade names	57,500		—			57,500		Indefinite
Total intangible assets	$	301,217	$	(55,079	)	$	246,138	14.8
1 The gross carrying amount of software development costs as of September 29, 2018 includes $15,391 not yet placed in service.
	September 30, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Weighted Average Useful Life (in Years)
Software development costs	$	26,083	$	(15,830	)	$	10,253	5.9
Technology and patents	46,731		(9,399		)	37,332		14.9
Trademarks and trade names	6,936		(2,484		)	4,452		25.6
Customer lists	157,016		(13,359		)	143,657		15.8
Land-use rights	2,377		(492		)	1,885		26.4
Trade names	57,500		—			57,500		Indefinite
Total intangible assets	$	296,643	$	(41,564	)	$	255,079	15.0

Finite-lived Intangible Assets Amortization Expense

Amortization expense recognized is as follows:

	2018		2017		2016
Amortization expense	$	13,831	$	14,665	$	5,517

Estimated Future Amortization Expense On Other Intangible Assets

Estimated future amortization expense related to finite-lived intangible assets is as follows:

Fiscal Year	Amortization Expense
2019	$	13,569
2020	13,288
2021	14,239
2022	15,007
2023	14,905
Thereafter	117,630