Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 29, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill by segment

The changes in the carrying amount of goodwill by segment for the period from September 29, 2012 to December 29, 2012 are as follows (in thousands):

	Specialty Lasers and Systems		Commercial Lasers and Components		Total
Balance as of September 29, 2012	$	71,326	$	6,363	$	77,689
Additions (See Note 3)	32,881		—		32,881
Translation adjustments and other	1,054		—		1,054
Balance as of December 29, 2012	$	105,261	$	6,363	$	111,624

Schedule of components of amortizable intangible assets

Components of our amortizable intangible assets are as follows (in thousands):

	December 29, 2012							September 29, 2012
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Existing technology	$	80,517	$	(45,497	)	$	35,020	$	51,346	$	(44,457	)	$	6,889
Customer lists	17,254		(5,936		)	11,318		7,849		(5,666		)	2,183
Trade name	3,405		(2,878		)	527		3,050		(2,749		)	301
Order backlog (1)	1,000		—			1,000		—		—			—
Non-compete agreement	691		(668		)	23		689		(661		)	28
Production know-how (1)	—		—			—		910		(838		)	72
In-process research & development	2,239		—			2,239		—		—			—
Total	$	105,106	$	(54,979	)	$	50,127	$	63,844	$	(54,371	)	$	9,473

Schedule of estimated amortization expense

At December 29, 2012, estimated amortization expense for the remainder of fiscal 2013, the next five succeeding fiscal years and all fiscal years thereafter are as follows (in thousands):

	Estimated Amortization Expense
2013 (remainder)	$	8,644
2014	9,461
2015	8,983
2016	8,583
2017	7,587
2018	4,449
Thereafter	2,420
Total	$	50,127