Derivatives and Hedging - Financial Statement Impact of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended
Oct. 31, 2021	Oct. 31, 2020
Not designated as hedging instrument
Gain (Loss) recognized in Other Comprehensive Income, net of tax
Total gain (loss)	$ 2,355	$ 3,332
Foreign currency forward contracts \| Not designated as hedging instrument
Gain (Loss) recognized in Other Comprehensive Income, net of tax
Total gain (loss)	(141)	0
Interest rate swap agreements
Gain (Loss) recognized in Other Comprehensive Income, net of tax
Other comprehensive income (loss), before reclassification	607	558
Interest rate swap agreements \| Not designated as hedging instrument
Gain (Loss) recognized in Other Comprehensive Income, net of tax
Total gain (loss)	2,496	3,332
Sales
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Total gain (loss)	(13)	0
Sales \| Foreign currency forward contracts \| Designated as hedging instrument \| 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	(13)	0
Sales \| Interest rate swap agreements
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Amount of loss recognized in income, net of tax	0	0
Sales \| Interest rate swap agreements \| Designated as hedging instrument \| 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
Interest expense
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Total gain (loss)	(1,802)	(2,812)
Interest expense \| Foreign currency forward contracts \| Designated as hedging instrument \| 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
Interest expense \| Interest rate swap agreements
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Amount of loss recognized in income, net of tax	87	(38)
Interest expense \| Interest rate swap agreements \| Designated as hedging instrument \| 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	$ (1,889)	$ (2,774)

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

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Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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