Intangible Assets and Long-Lived Assets - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 14,966	$ 7,077	$ 5,219
Finite-Lived Intangible Asset, Expected Amortization, Year One	11,739
Finite-Lived Intangible Asset, Expected Amortization, Year Two	9,312
Finite-Lived Intangible Asset, Expected Amortization, Year Three	8,987
Finite-Lived Intangible Assets, Amortization Expense, Year Four	8,114
Finite-Lived Intangible Asset, Expected Amortization, Year Five	7,628
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	0	0	8,665
Tangible Asset Impairment Charges			2,681
Operating Lease, Impairment Loss			2,475
Impairment charges	$ 0	$ 0	13,821
Identification Solutions
Impaired Long-Lived Assets Held and Used [Line Items]
Tangible Asset Impairment Charges			2,353
Operating Lease, Impairment Loss			440
Impairment charges			2,792
Workplace Safety
Impaired Long-Lived Assets Held and Used [Line Items]
Tangible Asset Impairment Charges			328
Operating Lease, Impairment Loss			2,035
Impairment charges			$ 11,029

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Amount of loss from impairment of right-of-use asset from operating lease.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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