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Acquisitions (Tables)
 9 Months Ended
Apr. 30, 2018
Business Combinations [Abstract]  
Schedule of purchase price allocated to the assets acquired and assumed liabilities based on estimated fair values
 
 
2018
 
2017
Purchase Price Allocation
 
Aexis Medical (1)
 
BHT Group(1)
 
CR Kennedy
 
Vantage(1)
 
Accutron(1)
 
 
(Preliminary)
 
(Preliminary)
 
(Final)
 
(Final)
 
(Final)
Purchase Price:
 
 
 
 
 
 
 
 
 
 
Cash paid (net of cash acquired)
 
$
20,308

 
$
60,787

 
$
11,999

 
$
4,044

 
$
53,049

Fair value of contingent consideration
 
1,292

 
—

 
—

 
—

 
—

Total
 
$
21,600

 
$
60,787

 
$
11,999

 
$
4,044

 
$
53,049

 
 
 
 
 
 
 
 
 
 
 
Allocation:
 
 
 
 
 
 
 
 
 
 
Property and equipment
 
130

 
835

 
—

 
433

 
1,676

Amortizable intangible assets:
 
 
 
 
 
 
 
 
 
 
Customer relationships
 
—

 
12,500

 
4,200

 
992

 
12,800

Technology
 
11,099

 
6,200

 
—

 
—

 
10,000

Brand names
 
—

 
—

 
—

 
—

 
2,000

Goodwill
 
12,425

 
41,357

 
5,894

 
2,299

 
21,989

Deferred income taxes
 
—

 
(5,881
)
 
—

 
—

 
112

Other working capital, net
 
(762
)
 
5,776

 
1,905

 
320

 
4,472

Contingent consideration
 
(1,292
)
 
—

 
—

 
—

 
—

Total
 
$
21,600

 
$
60,787

 
$
11,999

 
$
4,044

 
$
53,049

_______________________________________________
(1)
The excess purchase price over net assets acquired was assigned to goodwill, all of which is deductible for income tax purposes.