CAPITAL ASSETS

Property and Equipment

Property and equipment are as follows:



(in thousands)	April 1, 2017			October 1, 2016
Land and improvements	$	2,863		$	2,865
Buildings and improvements	59,329			59,350
Machinery and equipment	195,172			189,406
Property and equipment, gross	257,364			251,621
Less accumulated depreciation	(158,233		)	(150,832		)
Property and equipment, net	$	99,131		$	100,789

Goodwill

Changes to the carrying amount of goodwill are as follows:



(in thousands)	Test			Sensors			Total
Balance, October 1, 2016	$	25,022		$	344,678		$	369,700
Currency translation gain (loss)	(440		)	(36		)	(476		)
Balance, April 1, 2017	$	24,582		$	344,642		$	369,224

Other Intangible Assets

Other intangible assets are as follows:



	April 1, 2017
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Weighted Average Useful Life (in Years)
Software development costs	$	24,537	$	(15,384	)	$	9,153	6.0
Technology and patents	46,372		(7,684		)	38,688		14.9
Trademarks and trade names	6,736		(2,145		)	4,591		25.4
Customer lists	156,965		(8,353		)	148,612		15.8
Land-use rights	2,331		(362		)	1,969		26.0
Trademarks and trade names	57,500		—			57,500		Indefinite
Total intangible assets	$	294,441	$	(33,928	)	$	260,513	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
Trademarks and trade names	57,500		—			57,500		Indefinite
Total intangible assets	$	293,615	$	(26,826	)	$	266,789	15.1

Amortization expense recognized during the three months ended April 1, 2017 and April 2, 2016 was $3,663 and $596, respectively. Amortization expense recognized during the six months ended April 1, 2017 and April 2, 2016 was $7,328 and $1,197, respectively.

The estimated future amortization expense related to other amortizable intangible assets for the next five fiscal years and thereafter is as follows:




Fiscal Year	Amortization Expense (in thousands)
Remainder of 2017	$	7,277
2018	$	13,693
2019	$	13,568
2020	$	13,287
2021	$	13,287
2022	$	13,104
Thereafter	$	128,797

Future amortization amounts presented above are estimates. Actual future amortization expense may be different due to future acquisitions, impairments, changes in amortization periods or other factors.