Business Segment Information (Tables)

12 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Financial Information By Reportable Segment

Financial information by reportable segment is as follows:

(in thousands)	2017		2016		2015
Revenue
Test	$	504,087	$	512,265	$	462,880
Sensors	283,868		137,882		101,054
Total revenue	$	787,955	$	650,147	$	563,934
Income from Operations
Test	$	28,622	$	40,660	$	42,285
Sensors	26,206		1,103		19,211
Total income from operations	$	54,828	$	41,763	$	61,496
Identifiable Assets
Test	$	374,698	$	395,067	$	369,515
Sensors	814,994		792,953		91,316
Total identifiable assets	$	1,189,692	$	1,188,020	$	460,831
Goodwill
Test	$	25,109	$	25,022	$	26,243
Sensors	344,653		344,678		1,434
Total goodwill	$	369,762	$	369,700	$	27,677
Capital Expenditures
Test	$	13,281	$	17,570	$	14,652
Sensors	4,517		3,236		3,793
Total capital expenditures	$	17,798	$	20,806	$	18,445
Depreciation and Amortization
Test	$	17,275	$	17,279	$	18,342
Sensors	18,248		6,798		2,764
Total depreciation and amortization	$	35,523	$	24,077	$	21,106

Geographical Information

Geographic information is as follows:

(in thousands)	2017		2016		2015
Revenue
U.S.	$	246,679	$	154,707	$	151,288
Europe	192,491		163,944		149,308
China	174,044		152,264		131,727
Asia, excluding China	142,644		148,056		109,376
Americas, excluding U.S.	32,097		31,176		22,235
Total revenue	$	787,955	$	650,147	$	563,934
Property and Equipment, Net
U.S.	$	78,080	$	79,794	$	59,312
Europe	15,296		13,695		13,071
China	5,542		5,630		6,260
Asia, excluding China	1,012		1,670		1,811
Total property and equipment, net	$	99,930	$	100,789	$	80,454