Stock-based Compensation - Summary of Stock Options (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Apr. 24, 2021 USD ($) $ / shares shares
Number of Options
Beginning balance (in shares) | shares	2,433,000
Granted (in shares) | shares	540,000
Exercised (in shares) | shares	(146,000)
Canceled (in shares) | shares	(130,000)
Ending balance (in shares) | shares	2,697,000
Vested or expected to vest at end of year (in shares) | shares	2,655,000
Exercisable at end of year (in shares) | shares	1,035,000
Weighted- Average Exercise Price
Beginning balance (in usd per share) | $ / shares	$ 29.08
Granted (in usd per share) | $ / shares	23.57
Exercised (in usd per share) | $ / shares	23.29
Canceled (in usd per share) | $ / shares	28.62
Ending balance (in usd per share) | $ / shares	28.31
Vested or expected to vest at end of year (in usd per share) | $ / shares	28.39
Exercisable at end of year (in usd per share) | $ / shares	$ 36.14
Aggregate Intrinsic Value
Balance at end of year | $	$ 22,969
Vested or expected to vest at end of year | $	22,526
Exercisable at end of year | $	$ 5,718