Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 31, 2021	Jul. 31, 2020
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 416,034	$ 410,987
Current year acquisitions	195,166
Goodwill, Foreign Currency Translation Gain (Loss)	2,937	5,047
Goodwill, Ending Balance	614,137	416,034
Goodwill, Period Increase (Decrease)	198,103
Code Acquisition
Goodwill [Roll Forward]
Current year acquisitions	139,347
Magicard Acquisition
Goodwill [Roll Forward]
Current year acquisitions	43,235
Nordic ID Acquisition
Goodwill [Roll Forward]
Current year acquisitions	12,584
Identification Solutions
Goodwill [Roll Forward]
Goodwill, Beginning Balance	382,347	379,005
Current year acquisitions	195,166
Goodwill, Foreign Currency Translation Gain (Loss)	1,422	3,342
Goodwill, Ending Balance	578,935	382,347
Workplace Safety
Goodwill [Roll Forward]
Goodwill, Beginning Balance	33,687	31,982
Current year acquisitions	0
Goodwill, Foreign Currency Translation Gain (Loss)	1,515	1,705
Goodwill, Ending Balance	$ 35,202	$ 33,687

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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