Business Combinations (Tables)

12 Months Ended

Sep. 30, 2013

Line Rate Systems [Member]

Business Acquisition [Line Items]

Schedule Of Purchase Price Allocation

The purchase price allocation is as follows (in thousands):

Assets acquired
Cash	$	82
Current assets	556
Property and equipment, net	415
In-process research and development	29,853
Goodwill	99,560
Total assets acquired	$	130,466
Liabilities assumed
Accrued liabilities	$	(396	)
Deferred tax liabilities, net	(4,763		)
Total liabilities assumed	(5,159		)
Net assets acquired	$	125,307

Versafe [Member]

Business Acquisition [Line Items]

Schedule Of Purchase Price Allocation

The purchase price allocation is as follows (in thousands):

Assets acquired
Cash	$	4,020
Current assets	1,309
Property and equipment, net	41
Developed technology, customer relationships and other intangibles	21,260
Goodwill	75,937
Total assets acquired	$	102,567
Liabilities assumed
Accrued liabilities	$	(4,877	)
Deferred revenue	(611		)
Deferred tax liabilities, net	(5,335		)
Total liabilities assumed	(10,823		)
Net assets acquired	$	91,744