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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Apr. 30, 2022

Accounting Policies [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

			April 30, 2022
			Carrying Value						Estimated Fair Value
6.25% Notes			$	600,000					$	616,212
0.0% Convertible Notes			$	493,038					$	546,969
EPR Secured Notes			$	134,508					$	181,454

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- Definition

Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements.

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