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Guarantees (Tables)
3 Months Ended
Oct. 31, 2021
Guarantees [Abstract]  
Guarantor obligations The outstanding debt contingent liability for standby letters of credit was as follows (in millions):
October 31,
2021
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
$— $—