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Guarantees (Tables)
9 Months Ended
Apr. 30, 2022
Guarantees [Abstract]  
Schedule of guarantor obligations The outstanding debt contingent liability for standby letters of credit was as follows (in millions):
April 30,
2022
July 31,
2021
Contingent liability for standby letters of credit issued under the Company’s revolving credit facility
$7.5 $7.7 
Amounts drawn for letters of credit under the Company’s revolving credit facility
$— $—