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Goodwill And Intangible Assets
12 Months Ended
Apr. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill And Intangible Assets
Changes in the carrying amount of goodwill for the years ended April 30, 2017 and 2016 are as follows:
(in 000s)
 
 
 
Goodwill

 
Accumulated Impairment Losses

 
Net

Balances as of May 1, 2015
 
$
474,128

 
$
(32,297
)
 
$
441,831

Acquisitions
 
27,765

 

 
27,765

Disposals and foreign currency changes, net
 
1,161

 

 
1,161

Impairments
 

 

 

Balances as of April 30, 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

 
 
 
 
 
 
 

We tested goodwill for impairment in the fourth quarter of fiscal year 2017, and did not identify any impairment.
Components of intangible assets are as follows:
(in 000s)
 
As of April 30,
 
2017
 
2016
 
 
Gross
Carrying
Amount

 
Accumulated
Amortization

 
Net

 
Gross
Carrying
Amount

 
Accumulated
Amortization

 
Net

Reacquired franchise rights
 
$
331,150

 
$
(90,877
)
 
$
240,273

 
$
319,354

 
$
(68,284
)
 
$
251,070

Customer relationships
 
234,603

 
(133,207
)
 
101,396

 
206,607

 
(104,072
)
 
102,535

Internally-developed software
 
139,709

 
(108,379
)
 
31,330

 
131,161

 
(95,768
)
 
35,393

Noncompete agreements
 
32,408

 
(27,559
)
 
4,849

 
31,499

 
(25,572
)
 
5,927

Franchise agreements
 
19,201

 
(10,774
)
 
8,427

 
19,201

 
(9,494
)
 
9,707

Purchased technology
 
54,700

 
(31,973
)
 
22,727

 
54,700

 
(25,909
)
 
28,791

Acquired assets pending final allocation (1)
 
362

 

 
362

 
462

 

 
462

 
 
$
812,133

 
$
(402,769
)
 
$
409,364

 
$
762,984

 
$
(329,099
)
 
$
433,885

 
 
 
 
 
 
 
 
 
 
 
 
 

(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 230 offices to our company-owned network. The amounts and weighted-average lives of assets acquired or added during fiscal year 2017 are as follows:
(dollars in 000s)
 
 
Amount

 
Weighted-Average Life (in years)
Reacquired franchise rights
 
$
12,681

 
5
Customer relationships
 
29,470

 
6
Internally-developed software
 
9,661

 
3
Noncompete agreements
 
1,065

 
5
Total
 
$
52,877

 
5
 
 
 
 
 
Amortization of intangible assets of continuing operations for the years ended April 30, 2017, 2016 and 2015 was $78.9 million, $72.8 million and $58.5 million, respectively. Estimated amortization of intangible assets for fiscal years 2018, 2019, 2020, 2021 and 2022 is $74.8 million, $60.0 million, $43.7 million, $30.3 million and $20.1 million, respectively.