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Goodwill And Intangible Assets
12 Months Ended
Apr. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill And Intangible Assets
Changes in the carrying amount of goodwill for the years ended April 30, 2018 and 2017 are as follows:
(in 000s)
 
 
 
Goodwill

 
Accumulated Impairment Losses

 
Net

Balances as of May 1, 2016
 
$
503,054

 
$
(32,297
)
 
$
470,757

Acquisitions
 
19,261

 

 
19,261

Disposals and foreign currency changes, net
 
1,189

 

 
1,189

Impairments
 

 

 

Balances as of April 30, 2017
 
523,504

 
(32,297
)
 
491,207

Acquisitions
 
15,983

 

 
15,983

Disposals and foreign currency changes, net
 
681

 

 
681

Impairments
 

 

 

Balances as of April 30, 2018
 
$
540,168

 
$
(32,297
)
 
$
507,871

 
 
 
 
 
 
 

We tested goodwill for impairment in the fourth quarter of fiscal year 2018, and did not identify any impairment.
Components of intangible assets are as follows:
(in 000s)
 
As of April 30,
 
2018
 
2017
 
 
Gross
Carrying
Amount

 
Accumulated
Amortization

 
Net

 
Gross
Carrying
Amount

 
Accumulated
Amortization

 
Net

Reacquired franchise rights
 
$
339,779

 
$
(113,856
)
 
$
225,923

 
$
331,150

 
$
(90,877
)
 
$
240,273

Customer relationships
 
256,137

 
(164,005
)
 
92,132

 
234,603

 
(133,207
)
 
101,396

Internally-developed software
 
140,255

 
(111,734
)
 
28,521

 
139,709

 
(108,379
)
 
31,330

Noncompete agreements
 
32,899

 
(29,673
)
 
3,226

 
32,408

 
(27,559
)
 
4,849

Franchise agreements
 
19,201

 
(12,054
)
 
7,147

 
19,201

 
(10,774
)
 
8,427

Purchased technology
 
54,700

 
(37,770
)
 
16,930

 
54,700

 
(31,973
)
 
22,727

Acquired assets pending final allocation (1)
 
102

 

 
102

 
362

 

 
362

 
 
$
843,073

 
$
(469,092
)
 
$
373,981

 
$
812,133

 
$
(402,769
)
 
$
409,364

 
 
 
 
 
 
 
 
 
 
 
 
 

(1)    Represents recent business acquisitions for which final purchase price allocations have not yet been determined.
The increase in the gross carrying amount of intangible assets resulted primarily from the acquisition of approximately 110 offices to our company-owned network. The amounts and weighted-average lives of assets acquired or added during fiscal year 2018 are as follows:
(dollars in 000s)
 
 
Amount

 
Weighted-Average Life (in years)
Reacquired franchise rights
 
$
8,480

 
5
Customer relationships
 
24,518

 
6
Internally-developed software
 
16,821

 
2
Noncompete agreements
 
453

 
5
Total
 
$
50,272

 
4
 
 
 
 
 
Amortization of intangible assets of continuing operations for the years ended April 30, 2018, 2017 and 2016 was $79.9 million, $78.9 million and $72.8 million, respectively. Estimated amortization of intangible assets for fiscal years 2019, 2020, 2021, 2022 and 2023 is $68.6 million, $51.9 million, $36.5 million, $25.2 million and $13.4 million, respectively.