Intangible Assets (Intangible Assets with Finite Lives) (Details) - USD ($)	3 Months Ended			9 Months Ended
	Apr. 30, 2024	Oct. 31, 2023	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Jul. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 448,133,000			$ 448,133,000		$ 449,933,000
Accumulated Amortization	238,092,000			238,092,000		224,026,000
Net Carrying Amount	210,041,000			210,041,000		225,907,000
Amortization of intangibles	5,289,000		$ 5,349,000	$ 15,866,000	$ 16,047,000
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period		20 years 2 months 12 days		20 years 2 months 12 days
Gross Carrying Amount	302,058,000			$ 302,058,000		302,058,000
Accumulated Amortization	132,789,000			132,789,000		121,786,000
Net Carrying Amount	169,269,000			$ 169,269,000		180,272,000
Technologies
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period		14 years 9 months 18 days		14 years 9 months 18 days
Gross Carrying Amount	113,149,000			$ 113,149,000		114,949,000
Accumulated Amortization	82,058,000			82,058,000		80,672,000
Net Carrying Amount	31,091,000			$ 31,091,000		34,277,000
Trademarks and other
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period		16 years 8 months 12 days		16 years 8 months 12 days
Gross Carrying Amount	32,926,000			$ 32,926,000		32,926,000
Accumulated Amortization	23,245,000			23,245,000		21,568,000
Net Carrying Amount	$ 9,681,000			$ 9,681,000		$ 11,358,000