Derivatives and Hedging - Financial Statement Impact of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Gain (Loss) recognized in Other Comprehensive Income, net of tax
Total gain (loss)	$ (661)	$ 2,129	$ 85	$ 4,484
Foreign currency forward contracts
Gain (Loss) recognized in Other Comprehensive Income, net of tax
Total gain (loss)	0	(479)	0	(620)
Interest rate swap agreements
Gain (Loss) recognized in Other Comprehensive Income, net of tax
Total gain (loss)	(661)	2,608	85	5,104
Other comprehensive income (loss), before reclassification	136	795	718	1,402
Sales
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Total gain (loss)	(449)	(271)	(341)	(284)
Sales | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) recognized in income, net of tax	1,118	0	1,946	0
Sales | Foreign currency forward contracts | Cash Flow Hedges
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) Reclassified from AOCI, Net of Tax	0	(271)	(58)	(284)
Sales | Interest rate swap agreements
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) recognized in income, net of tax	0	0	0	0
Sales | Interest rate swap agreements | Cash Flow Hedges
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) Reclassified from AOCI, Net of Tax	0	0	0	0
Sales | Commodities swap agreements
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) recognized in income, net of tax	(1,567)	0	(2,229)	0
Interest expense
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Total gain (loss)	442	(1,811)	804	(3,613)
Interest expense | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) recognized in income, net of tax	0	0	0	0
Interest expense | Foreign currency forward contracts | Cash Flow Hedges
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) Reclassified from AOCI, Net of Tax	0	0	0	0
Interest expense | Interest rate swap agreements
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) recognized in income, net of tax	(83)	2	171	89
Interest expense | Interest rate swap agreements | Cash Flow Hedges
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) Reclassified from AOCI, Net of Tax	525	(1,813)	633	(3,702)
Interest expense | Commodities swap agreements
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) recognized in income, net of tax	$ 0	$ 0	$ 0	$ 0