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GOODWILL AND INTANGIBLE ASSETS (Tables)
 9 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table summarizes the Company's recorded goodwill as of June 30, 2018 and September 30, 2017:
 
As of
(in thousands)
June 30, 2018
 
September 30, 2017
Capital Equipment
$
30,237

 
$
29,975

APS
26,412

 
26,343

 
$
56,649

 
$
56,318
Net intangible assets
The following table reflects net intangible assets as of June 30, 2018 and September 30, 2017: 
 
As of
 
Average estimated
(dollar amounts in thousands)
June 30, 2018
 
September 30, 2017
 
useful lives (in years)
Technology
$
90,869

 
$
92,140

 
7.0 to 15.0
Accumulated amortization
(44,195
)
 
(41,162
)
 
 
Net technology
$
46,674

 
$
50,978

 
 
 
 
 
 
 
 
Customer relationships
$
36,244

 
$
36,968

 
5.0 to 6.0
Accumulated amortization
(29,185
)
 
(27,398
)
 
 
Net customer relationships
$
7,059

 
$
9,570

 
 
 
 
 
 
 
 
Trade and brand names
$
7,396

 
$
7,515

 
7.0 to 8.0
Accumulated amortization
(5,998
)
 
(5,747
)
 
 
Net trade and brand name
$
1,398

 
$
1,768

 
 
 
 
 
 
 
 
Other intangible assets
$
2,500

 
$
2,500

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

 
$
—

 
 
 
 
 
 
 
 
Net intangible assets
$
55,131

 
$
62,316

 
 
Estimated annual amortization expense related to intangible assets
The following table reflects estimated annual amortization expense related to intangible assets as of June 30, 2018:
 
As of
(in thousands)
June 30, 2018
Remaining fiscal 2018
$
1,921

Fiscal 2019
7,683

Fiscal 2020
7,683

Fiscal 2021
5,566

Fiscal 2022 and onwards
32,278

Total amortization expense
$
55,131