Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2012

Business Segment Information [Abstract]

Calculation of segment income

(In thousands)	Photonics and Precision Technologies		Lasers		Ophir		Total
Three months ended June 30, 2012:
Sales to external customers	$	82,858	$	44,734	$	26,063	$	153,655
Segment income	$	18,987	$	2,878	$	1,905	$	23,770
Three months ended July 2, 2011:
Sales to external customers	$	85,415	$	44,717	$	—	$	130,132
Segment income	$	20,746	$	4,045	$	—	$	24,791
Six months ended June 30, 2012:
Sales to external customers	$	161,912	$	93,961	$	54,949	$	310,822
Segment income	$	34,982	$	9,534	$	4,170	$	48,686
Six months ended July 2, 2011:
Sales to external customers	$	167,579	$	90,964	$	—	$	258,543
Segment income	$	40,411	$	8,849	$	—	$	49,260

Reconciliation of segment income to consolidated income before income taxes

	Three Months Ended						Six Months Ended
(In thousands)	June 30, 2012			July 2, 2011			June 30, 2012			July 2, 2011
Segment income	$	23,770		$	24,791		$	48,686		$	49,260
Gain on sale of investment		5,298			—			5,298			—
Foreign currency translation gain from dissolution of subsidiary		—			—			—			7,198
Unallocated operating expenses		(12,425	)		(8,054	)		(27,131	)		(15,557	)
Interest and other expense, net		(2,828	)		(1,624	)		(5,015	)		(4,029	)
	$	13,815		$	15,113		$	21,838		$	36,872