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Goodwill And Intangible Assets (Tables)
 6 Months Ended
Oct. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Goodwill
Changes in the carrying amount of goodwill for the six months ended October 31, 2018 and 2017 are as follows:
(in 000s)
 
 
 
Goodwill

 
Accumulated Impairment Losses

 
Net

Balances as of April 30, 2018
 
$
540,168

 
$
(32,297
)
 
$
507,871

Acquisitions
 
624

 
—

 
624

Disposals and foreign currency changes, net
 
(1,304
)
 
—

 
(1,304
)
Impairments
 
—

 
—

 
—

Balances as of October 31, 2018
 
$
539,488

 
$
(32,297
)
 
$
507,191

 
 
 
 
 
 
 
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

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

 
Accumulated
Amortization

 
Net

As of October 31, 2018:
 
 
 
 
 
 
Reacquired franchise rights
 
$
339,719

 
$
(124,733
)
 
$
214,986

Customer relationships
 
256,739

 
(179,011
)
 
77,728

Internally-developed software
 
142,147

 
(117,060
)
 
25,087

Noncompete agreements
 
32,879

 
(30,596
)
 
2,283

Franchise agreements
 
19,201

 
(12,694
)
 
6,507

Purchased technology
 
54,700

 
(40,646
)
 
14,054

Acquired assets pending final allocation (1)
 
23,879

 
—

 
23,879

 
 
$
869,264

 
$
(504,740
)
 
$
364,524

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 April 30, 2018:
 
 
 
 
 
 
Reacquired franchise rights
 
$
339,779

 
$
(113,856
)
 
$
225,923

Customer relationships
 
256,137

 
(164,005
)
 
92,132

Internally-developed software
 
140,255

 
(111,734
)
 
28,521

Noncompete agreements
 
32,899

 
(29,673
)
 
3,226

Franchise agreements
 
19,201

 
(12,054
)
 
7,147

Purchased technology
 
54,700

 
(37,770
)
 
16,930

Acquired assets pending final allocation (1)
 
102

 
—

 
102

 
 
$
843,073

 
$
(469,092
)
 
$
373,981

 
 
 
 
 
 
 

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