Net Loss Per Share- Narrative (Details) shares in Thousands		12 Months Ended
	Jun. 25, 2020 shares $ / shares	Jul. 31, 2022 shares $ / shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of shares if notes converted (in shares) | shares	7,626	7,600
Conversion price (in dollars per share) | $ / shares	$ 150.80	$ 150.80
Unvested performance stock awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of unvested PSAs as a percentage of target		100.00%