Segment Information Net Sales by Segment and Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Net Sales by Segment and Geographic Area
Net sales	$ 318,055	$ 265,838	$ 639,530	$ 543,065
Americas
Net Sales by Segment and Geographic Area
Net sales	179,130	145,170	365,182	302,468
Europe
Net Sales by Segment and Geographic Area
Net sales	98,706	84,205	193,617	168,053
Asia-Pacific
Net Sales by Segment and Geographic Area
Net sales	40,219	36,463	80,731	72,544
ID Solutions
Net Sales by Segment and Geographic Area
Net sales	244,986	194,227	493,603	392,419
ID Solutions | Americas
Net Sales by Segment and Geographic Area
Net sales	158,999	124,970	323,909	258,237
ID Solutions | Europe
Net Sales by Segment and Geographic Area
Net sales	57,274	44,040	114,163	86,622
ID Solutions | Asia-Pacific
Net Sales by Segment and Geographic Area
Net sales	28,713	25,217	55,531	47,560
Workplace Safety
Net Sales by Segment and Geographic Area
Net sales	73,069	71,611	145,927	150,646
Workplace Safety | Americas
Net Sales by Segment and Geographic Area
Net sales	20,131	20,200	41,273	44,231
Workplace Safety | Europe
Net Sales by Segment and Geographic Area
Net sales	41,432	40,165	79,454	81,431
Workplace Safety | Asia-Pacific
Net Sales by Segment and Geographic Area
Net sales	$ 11,506	$ 11,246	$ 25,200	$ 24,984