Capital Assets (Tables)

12 Months Ended

Sep. 30, 2017

Capital Assets [Abstract]

Property And Equipment

Property and equipment, net are as follows:

(in thousands)	2017			2016
Land and improvements	$	2,867		$	2,865
Buildings and improvements	60,340			59,350
Machinery and equipment	196,621			189,406
Assets held under capital leases	2,747			—
Total property and equipment	262,575			251,621
Less: Accumulated depreciation	(162,645		)	(150,832		)
Total property and equipment, net	$	99,930		$	100,789

Goodwill

Changes to the carrying amount of goodwill are as follows:

(in thousands)	Test			Sensors			Total
Balance, October 3, 2015	$	26,243		$	1,434		$	27,677
Acquisitions1	—			343,242			343,242
Adjustment related to finalization of purchase accounting1	(530		)	—			(530		)
Currency translation gain (loss)	(691		)	2			(689		)
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

¹ See Note 13 for additional information regarding acquisitions.

Other Intangible Assets

Intangible assets are as follows:

	September 30, 2017
(in thousands)	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
	October 1, 2016
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Weighted Average Useful Life (in Years)
Software development costs	$	23,184	$	(14,938	)	$	8,246	6.0
Technology and patents	46,672		(6,360		)	40,312		14.9
Trademarks and trade names	6,903		(1,911		)	4,992		25.5
Customer lists	156,987		(3,372		)	153,615		15.8
Land-use rights	2,369		(245		)	2,124		26.3
Trade names	57,500		—			57,500		Indefinite
Total intangible assets	$	293,615	$	(26,826	)	$	266,789	15.1

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 (in thousands)
2018	$	15,422
2019	15,638
2020	15,357
2021	15,357
2022	15,174
Thereafter	120,631