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Stock-Based Compensation - Restricted Stock and RSUs (Details) - Restricted Stock - $ / shares
3 Months Ended 6 Months Ended
Oct. 26, 2019
Oct. 26, 2019
Stock-Based Compensation    
Number of shares or units granted (in shares) 28,332 166,649
Fair value per share (in dollars per share) $ 31.77 $ 30.41
Percentage vesting each year from date of grant   25.00%
Period from grant date for first vesting   1 year
Vesting period   4 years