Segment Information (Tables)

3 Months Ended

Apr. 01, 2012

Segment Reporting Information [Line Items]

Schedule Of Segment Information

	Semiconductor Test		Systems Test Group		Wireless Test			Corporate And Eliminations			Consolidated
	(in thousands)
Three months ended April 1, 2012:
Net revenues	$	267,588	$	97,752	$	31,328		$	—		$	396,668
Income (loss) from continuing operations before income taxes (1)(2)		34,998		21,978		(12,312	)		(3,420	)		41,244
Three months ended April 3, 2011:
Net revenues	$	319,250	$	57,911	$	—		$	—		$	377,161
Income (loss) from continuing operations before income taxes (1)(2)		76,926		5,491		—			(6,993	)		75,424

(1) Interest income and interest expense and other are included in Corporate and Eliminations.

(2) Included in the income (loss) from continuing operations before income taxes for each of the segments are charges for the three months ended April 1, 2012 and April 3, 2011 that include restructuring and other, net, and provision for excess and obsolete inventory, as follows:

Semiconductor Test [Member]

Segment Reporting Information [Line Items]

Schedule Of Segment Reporting Information By Segment Charges

	For the Three Months Ended
	April 1, 2012		April 3, 2011
	(in thousands)
Cost of revenues—provision for excess and obsolete inventory	$	212	$	4,442
Restructuring and other, net		—		891
Total	$	212	$	5,333

Systems Test Group [Member]

Segment Reporting Information [Line Items]

Schedule Of Segment Reporting Information By Segment Charges

	For the Three Months Ended
	April 1, 2012		April 3, 2011
	(in thousands)
Cost of revenues—provision for excess and obsolete inventory	$	889	$	185
Restructuring and other, net		—		(246	)
Total	$	889	$	(61	)

Wireless Test [Member]

Segment Reporting Information [Line Items]

Schedule Of Segment Reporting Information By Segment Charges

	For the Three Months Ended
	April 1, 2012		April 3, 2011
	(in thousands)
Cost of revenues—inventory step-up	$	4,871	$	—
Cost of revenues—provision for excess and obsolete inventory		473		—
Total	$	5,344	$	—

Corporate And Eliminations [Member]

Segment Reporting Information [Line Items]

Schedule Of Segment Reporting Information By Segment Charges

	For the Three Months Ended
	April 1, 2012			April 3, 2011
	(in thousands)
Restructuring and other, net	$	(1,825	)	$	(232	)
Total	$	(1,825	)	$	(232	)