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GOODWILL AND INTANGIBLE ASSETS (Tables)
 9 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets and Goodwill
The changes in the carrying amount of the Company’s goodwill and intangible assets for the nine months ended June 30, 2018 and 2017 were as follows:

 
2018
 
2017
Nine Months Ended June 30,
(Dollars in Thousands)
Goodwill
 
 
 
Beginning balance
$
98,723

 
$
36,928

Acquisitions during the period
—

 
61,795

Write-offs during the period
—

 
—

Ending balance
$
98,723

 
$
98,723


 
Trademark(1)
 
Non-Compete(2)
 
Customer
Relationships(3)
 
All Others(4)
 
Total
Intangibles
 
Balance as of September 30, 2017
$
10,051

 
$
1,782

 
$
31,707

 
$
8,638

 
$
52,178

Acquisitions during the period
—

 
—

 
—

 
85

 
85

Amortization during the period
(477
)
 
(367
)
 
(4,548
)
 
(685
)
 
(6,077
)
Write-offs during the period
—

 
—

 
—

 
(88
)
 
(88
)
Balance as of June 30, 2018
$
9,574

 
$
1,415

 
$
27,159

 
$
7,950

 
$
46,098

 
 
 
 
 
 
 
 
 
 
Gross carrying amount
$
10,990

 
$
2,480

 
$
57,810

 
$
10,587

 
$
81,867

Accumulated amortization
(1,416
)
 
(1,065
)
 
(20,403
)
 
(2,020
)
 
(24,904
)
Accumulated impairment
—

 
—

 
(10,248
)
 
(617
)
 
(10,865
)
Balance as of June 30, 2018
$
9,574

 
$
1,415

 
$
27,159

 
$
7,950

 
$
46,098

(1) Book amortization period of 5-15 years. Amortized using the straight line and accelerated methods.
(2) Book amortization period of 3-5 years. Amortized using the straight line method.
(3) Book amortization period of 10-30 years. Amortized using the accelerated method.
(4) Book amortization period of 3-20 years. Amortized using the straight line method.

 
Trademark(1)
 
Non-Compete(2)
 
Customer
Relationships(3)
 
All Others(4)
 
Total
Intangibles
 
Balance as of September 30, 2016
$
5,149

 
$
127

 
$
20,590

 
$
3,055

 
$
28,921

Acquisitions during the period
5,500

 
2,180

 
31,770

 
6,922

 
46,372

Amortization during the period
(442
)
 
(371
)
 
(9,084
)
 
(598
)
 
(10,495
)
Write-offs during the period
—

 
—

 
—

 
—

 
—

Balance as of June 30, 2017
$
10,207

 
$
1,936

 
$
43,276

 
$
9,379

 
$
64,798

 
 
 
 
 
 
 
 
 
 
Gross carrying amount
$
10,990

 
$
2,480

 
$
57,810

 
$
10,478

 
$
81,758

Accumulated amortization
(783
)
 
(544
)
 
(14,534
)
 
(1,099
)
 
(16,960
)
Balance as of June 30, 2017
$
10,207

 
$
1,936

 
$
43,276

 
$
9,379

 
$
64,798


(1) Book amortization period of 15 years. Amortized using the straight line and accelerated methods.
(2) Book amortization period of 3 years. Amortized using the straight line method.
(3) Book amortization period of 10-30 years. Amortized using the accelerated method.
(4) Book amortization period of 3-20 years. Amortized using the straight line method.
Schedule of Future Amortization Expense
The estimated amortization expense of intangible assets assumes no activities, such as acquisitions, which would result in additional amortizable intangible assets. Estimated amortization expense of intangible assets in the remaining three months of fiscal 2018 and subsequent fiscal years is as follows:
 
(Dollars in Thousands)
Remaining in 2018
$
1,632

2019
7,151

2020
5,753

2021
5,184

2022
4,262

2023
3,624

Thereafter
18,492

Total anticipated intangible amortization
$
46,098