CAPITAL ASSETS

Property and Equipment

Property and equipment are as follows:



(in thousands)	December 31, 2016			October 1, 2016
Land and improvements	$	2,862		$	2,865
Buildings and improvements	58,336			59,350
Machinery and equipment	190,312			189,406
Property and equipment, gross	251,510			251,621
Less accumulated depreciation	(152,845		)	(150,832		)
Property and equipment, net	$	98,665		$	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)	(557		)	(50		)	(607		)
Balance, December 31, 2016	$	24,465		$	344,628		$	369,093

Other Intangible Assets

Other intangible assets are as follows:



	December 31, 2016
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Weighted Average Useful Life (in Years)
Software development costs	$	23,911	$	(15,161	)	$	8,750	6.0
Technology and patents	46,292		(6,891		)	39,401		14.9
Trademarks and trade names	6,691		(1,994		)	4,697		25.4
Customer lists	156,955		(5,858		)	151,097		15.8
Land-use rights	2,322		(298		)	2,024		25.9
Trademarks and trade names	57,500		—			57,500		Indefinite
Total intangible assets	$	293,671	$	(30,202	)	$	263,469	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 December 31, 2016 and January 2, 2016 was $3,665 and $601, 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	$	10,911
2018	$	13,687
2019	$	13,562
2020	$	13,281
2021	$	13,281
2022	$	13,098
Thereafter	$	128,149

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.