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Goodwill And Intangible Assets (Tables)
 3 Months Ended
Jul. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Goodwill
Changes in the carrying amount of goodwill for the three months ended July 31, 2017 and 2016 are as follows:
(in 000s)
 
 
 
Goodwill

 
Accumulated Impairment Losses

 
Net

Balances as of April 30, 2017
 
$
523,504

 
$
(32,297
)
 
$
491,207

Acquisitions
 
252

 
—

 
252

Disposals and foreign currency changes, net
 
2,532

 
—

 
2,532

Impairments
 
—

 
—

 
—

Balances as of July 31, 2017
 
$
526,288

 
$
(32,297
)
 
$
493,991

 
 
 
 
 
 
 
Balances as of April 30, 2016
 
$
503,054

 
$
(32,297
)
 
$
470,757

Acquisitions
 
23

 
—

 
23

Disposals and foreign currency changes, net
 
162

 
—

 
162

Impairments
 
—

 
—

 
—

Balances as of July 31, 2016
 
$
503,239

 
$
(32,297
)
 
$
470,942

 
 
 
 
 
 
 
Schedule Of Intangible Assets
Components of intangible assets are as follows:
(in 000s)
 
 
 
Gross
Carrying
Amount

 
Accumulated
Amortization

 
Net

As of July 31, 2017:
 
 
 
 
 
 
Reacquired franchise rights
 
$
331,371

 
$
(96,600
)
 
$
234,771

Customer relationships
 
235,413

 
(140,881
)
 
94,532

Internally-developed software
 
143,206

 
(112,894
)
 
30,312

Noncompete agreements
 
32,498

 
(28,143
)
 
4,355

Franchise agreements
 
19,201

 
(11,094
)
 
8,107

Purchased technology
 
54,700

 
(33,444
)
 
21,256

Acquired assets pending final allocation (1)
 
639

 
—

 
639

 
 
$
817,028

 
$
(423,056
)
 
$
393,972

As of July 31, 2016:
 
 
 
 
 
 
Reacquired franchise rights
 
$
319,545

 
$
(72,977
)
 
$
246,568

Customer relationships
 
206,606

 
(110,696
)
 
95,910

Internally-developed software
 
132,897

 
(99,873
)
 
33,024

Noncompete agreements
 
31,492

 
(26,045
)
 
5,447

Franchise agreements
 
19,201

 
(9,814
)
 
9,387

Purchased technology
 
54,700

 
(27,425
)
 
27,275

Acquired assets pending final allocation (1)
 
2,298

 
—

 
2,298

 
 
$
766,739

 
$
(346,830
)
 
$
419,909

As of April 30, 2017:
 
 
 
 
 
 
Reacquired franchise rights
 
$
331,150

 
$
(90,877
)
 
$
240,273

Customer relationships
 
234,603

 
(133,207
)
 
101,396

Internally-developed software
 
139,709

 
(108,379
)
 
31,330

Noncompete agreements
 
32,408

 
(27,559
)
 
4,849

Franchise agreements
 
19,201

 
(10,774
)
 
8,427

Purchased technology
 
54,700

 
(31,973
)
 
22,727

Acquired assets pending final allocation (1)
 
362

 
—

 
362

 
 
$
812,133

 
$
(402,769
)
 
$
409,364

 
 
 
 
 
 
 

(1)    Represents business acquisitions for which final purchase price allocations have not yet been determined.