Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (109,077)	$ (55,953)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	14,951	(42,160)
Amounts reclassified from accumulated other comprehensive loss	(1,275)	(775)
Ending balance	(95,401)	(98,888)
Unrealized gain on cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	954	729
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,966	307
Amounts reclassified from accumulated other comprehensive loss	(946)	(486)
Ending balance	1,974	550
Unamortized gain on post-retirement plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	1,436	1,888
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	(59)
Amounts reclassified from accumulated other comprehensive loss	(329)	(289)
Ending balance	1,107	1,540
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(111,467)	(58,570)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	12,985	(42,408)
Amounts reclassified from accumulated other comprehensive loss	0	0
Ending balance	$ (98,482)	$ (100,978)