Other Intangible Impairment Charges (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2020 |
Apr. 30, 2019 |
Apr. 30, 2020 |
Apr. 30, 2019 |
|
| Indefinite-lived Intangible Assets [Line Items] | ||||
| Asset Impairment Charges | $ 13,821 | $ 0 | $ 13,821 | $ 0 |
| Tangible Asset Impairment Charges | 2,681 | |||
| Operating Lease, Impairment Loss | 2,475 | |||
| Trademarks and Trade Names [Member] | ||||
| Indefinite-lived Intangible Assets [Line Items] | ||||
| Other Intangible Assets, Net | 9,328 | 9,328 | ||
| Assets, Fair Value Disclosure | 663 | $ 663 | ||
| ID Solutions | ||||
| Indefinite-lived Intangible Assets [Line Items] | ||||
| Asset Impairment Charges | 2,792 | |||
| Tangible Asset Impairment Charges | 2,353 | |||
| Operating Lease, Impairment Loss | 440 | |||
| Workplace Safety | ||||
| Indefinite-lived Intangible Assets [Line Items] | ||||
| Asset Impairment Charges | 11,029 | |||
| Tangible Asset Impairment Charges | 328 | |||
| Operating Lease, Impairment Loss | $ 2,035 | |||