Segment Information (Tables)

6 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of sales and income (loss) from operations

The following table provides net sales and income from continuing operations for our operating segments and a reconciliation of our total income from continuing operations to income from continuing operations before income taxes (in thousands):

	Three Months Ended						Six Months Ended
	March 31, 2018			April 1, 2017			March 31, 2018			April 1, 2017
Net sales:
OEM Laser Sources	$	317,138		$	277,144		$	642,795		$	515,880
Industrial Lasers & Systems	163,980			145,689			315,888			253,026
Total net sales	$	481,118		$	422,833		$	958,683		$	768,906
Income (loss) from continuing operations:
OEM Laser Sources	$	117,120		$	102,870		$	244,837		$	186,460
Industrial Lasers & Systems	1,173			(11,571		)	2,385			(28,079		)
Corporate and other	(17,632		)	(20,210		)	(37,238		)	(45,092		)
Total income from continuing operations	100,661			71,089			209,984			113,289
Total other income (expense), net	(9,510		)	(10,255		)	(18,010		)	(5,083		)
Income from continuing operations before income taxes	$	91,151		$	60,834		$	191,974		$	108,206