Segment Information - Schedule of Segment Reporting Information By Segment (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
|
| Segment Reporting Information [Line Items] | ||||
| Sales to External Customers | $ 275,927 | $ 286,816 | $ 824,104 | $ 838,519 |
| Segment Profit | 37,753 | 37,910 | 112,291 | 102,075 |
| Id Solutions [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Sales to External Customers | 196,880 | 201,482 | 589,106 | 592,282 |
| Segment Profit | 32,633 | 31,898 | 94,676 | 80,385 |
| Workplace Safety [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Sales to External Customers | 79,047 | 85,334 | 234,998 | 246,237 |
| Segment Profit | $ 5,120 | $ 6,012 | $ 17,615 | $ 21,690 |