Business Segment Information (Tables)

9 Months Ended

Jun. 27, 2015

Business Segment Information [Abstract]

Financial Information By Reportable Segment

	Three Months Ended				Nine Months Ended
		June 27,		June 28,		June 27,		June 28,
		2015		2014		2015		2014
	(in thousands)
Revenue by Segment:
Test	$	109,484	$	118,194	$	346,306	$	342,602
Sensors		24,428		27,277		74,145		78,622
Total revenue	$	133,912	$	145,471	$	420,451	$	421,224
Income from Operations by Segment:
Test	$	10,139	$	11,769	$	35,256	$	29,351
Sensors		5,288		5,629		13,737		14,548
Total income from operations	$	15,427	$	17,398	$	48,993	$	43,899