Acquisition of Si En (Tables) (Si En)

12 Months Ended

Sep. 30, 2012

Si En

Business Acquisition [Line Items]

Schedule of Purchase Price Allocation

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

Cash and cash equivalents	$	7,240
Accounts receivable	2,148
Inventories	2,117
Property, equipment and leasehold improvements	124
Other current and other assets	260
Intangible assets:
In-process technology	2,610
Developed technology	4,650
Customer relationships	3,800
Other intangibles	570
Total identifiable assets acquired	23,519
Current liabilities	(2,533		)
Deferred tax liability	(1,748		)
Total liabilities assumed	(4,281		)
Net identifiable assets acquired	19,238
Goodwill	8,162
Net assets acquired	$	27,400

Business Acquisition, Pro Forma Information

The pro forma financial results are as follows:

	Years Ended September 30,
	2011		2010
	(in thousands, except per share data)
Net sales	$	277,792	$	273,091
Net income	$	56,585	$	45,033
Basic net income per share	$	2.13	$	1.76
Diluted net income per share	$	2.00	$	1.67