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GOODWILL AND INTANGIBLE ASSETS (Tables)
 3 Months Ended
Dec. 27, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Net intangible assets
The following table reflects net intangible assets as of December 27, 2014 and September 27, 2014: 
 
 
As of
 
Average estimated
(dollar amounts in thousands)
 
December 27, 2014
 
September 27, 2014
 
useful lives (in years)
Wedge bonder developed technology
 
$
33,200

 
$
33,200

 
7.0
Accumulated amortization
 
(29,644
)
 
(28,458
)
 
 
Net wedge bonder developed technology
 
$
3,556

 
$
4,742

 
 
 
 
 
 
 
 
 
Wedge bonder customer relationships
 
$
19,300

 
$
19,300

 
5.0
Accumulated amortization
 
(19,300
)
 
(19,300
)
 
 
Net wedge bonder customer relationships
 
$
—

 
$
—

 
 
 
 
 
 
 
 
 
Wedge bonder trade name
 
$
4,600

 
$
4,600

 
8.0
Accumulated amortization
 
(3,594
)
 
(3,451
)
 
 
Net wedge bonder trade name
 
$
1,006

 
$
1,149

 
 
 
 
 
 
 
 
 
Wedge bonder other intangible assets
 
$
2,500

 
$
2,500

 
1.9
Accumulated amortization
 
(2,500
)
 
(2,500
)
 
 
Net wedge bonder other intangible assets
 
$
—

 
$
—

 
 
Net intangible assets
 
$
4,562

 
$
5,891

 
 
Estimated annual amortization expense related to intangible assets
The following table reflects estimated annual amortization expense related to intangible assets as of December 27, 2014:
 
 
As of
(in thousands)
December 27, 2014
Remaining fiscal 2015
$
3,988

Fiscal 2016
574

Total amortization expense
$
4,562