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Goodwill And Intangible Assets (Tables)
 6 Months Ended
Oct. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Goodwill
Changes in the carrying amount of goodwill for the six months ended October 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
 
961

 
—

 
961

Disposals and foreign currency changes, net
 
891

 
—

 
891

Impairments
 
—

 
—

 
—

Balances as of October 31, 2017
 
$
525,356

 
$
(32,297
)
 
$
493,059

 
 
 
 
 
 
 
Balances as of April 30, 2016
 
$
503,054

 
$
(32,297
)
 
$
470,757

Acquisitions
 
7,435

 
—

 
7,435

Disposals and foreign currency changes, net
 
(832
)
 
—

 
(832
)
Impairments
 
—

 
—

 
—

Balances as of October 31, 2016
 
$
509,657

 
$
(32,297
)
 
$
477,360

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

 
Accumulated
Amortization

 
Net

As of October 31, 2017:
 
 
 
 
 
 
Reacquired franchise rights
 
$
331,290

 
$
(101,987
)
 
$
229,303

Customer relationships
 
234,909

 
(147,881
)
 
87,028

Internally-developed software
 
146,985

 
(117,162
)
 
29,823

Noncompete agreements
 
32,471

 
(28,644
)
 
3,827

Franchise agreements
 
19,201

 
(11,414
)
 
7,787

Purchased technology
 
54,700

 
(34,889
)
 
19,811

Acquired assets pending final allocation (1)
 
28,861

 
—

 
28,861

 
 
$
848,417

 
$
(441,977
)
 
$
406,440

As of October 31, 2016:
 
 
 
 
 
 
Reacquired franchise rights
 
$
322,916

 
$
(79,484
)
 
$
243,432

Customer relationships
 
211,106

 
(117,539
)
 
93,567

Internally-developed software
 
137,533

 
(104,022
)
 
33,511

Noncompete agreements
 
31,625

 
(26,520
)
 
5,105

Franchise agreements
 
19,201

 
(10,134
)
 
9,067

Purchased technology
 
54,700

 
(28,941
)
 
25,759

Acquired assets pending final allocation (1)
 
22,694

 
—

 
22,694

 
 
$
799,775

 
$
(366,640
)
 
$
433,135

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.