Business Segment Information (Tables)

12 Months Ended

Sep. 29, 2018

Segment Reporting [Abstract]

Financial Information By Reportable Segment

Financial information by reportable segment is as follows:

	2018			2017		2016
Revenue
Test	$	464,924		$	504,087	$	512,265
Sensors	314,269			283,868		137,882
Intersegment eliminations	(1,161		)	—		—
Total revenue	$	778,032		$	787,955	$	650,147
Income from Operations
Test	$	19,225		$	28,622	$	40,660
Sensors	45,980			26,206		1,103
Intersegment eliminations	(33		)	—		—
Total income from operations	$	65,172		$	54,828	$	41,763
Identifiable Assets
Test	$	299,242		$	374,698	$	395,067
Sensors	840,187			814,994		792,953
Intersegment eliminations	(33		)	—		—
Total identifiable assets	$	1,139,396		$	1,189,692	$	1,188,020
Goodwill
Test	$	24,631		$	25,109	$	25,022
Sensors	344,644			344,653		344,678
Total goodwill	$	369,275		$	369,762	$	369,700
Capital Expenditures
Test	$	8,111		$	13,281	$	17,570
Sensors	4,210			4,517		3,236
Total capital expenditures	$	12,321		$	17,798	$	20,806
Depreciation and Amortization
Test	$	16,353		$	17,275	$	17,279
Sensors	18,139			18,248		6,798
Total depreciation and amortization	$	34,492		$	35,523	$	24,077

Geographical Information

Geographic information is as follows:

	2018		2017		2016
Revenue
U.S.	$	245,909	$	246,679	$	154,707
Europe	223,236		192,491		163,944
China	165,421		174,044		152,264
Asia, excluding China	113,953		142,644		148,056
Americas, excluding U.S.	29,513		32,097		31,176
Total revenue	$	778,032	$	787,955	$	650,147
Property and Equipment, Net
U.S.	$	69,782	$	78,080	$	79,794
Europe	15,130		15,296		13,695
China	4,858		5,542		5,630
Asia, excluding China	499		1,012		1,670
Total property and equipment, net	$	90,269	$	99,930	$	100,789