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Shareholders' Equity - Additional Information (Details) - USD ($)
6 Months Ended 12 Months Ended 54 Months Ended
Oct. 31, 2018
Dec. 29, 2019
Jun. 30, 2019
Jun. 24, 2018
Oct. 31, 2018
Apr. 23, 2014
Equity Class Of Treasury Stock [Line Items]            
Payments of Dividends   $ 0 $ 0 $ 0    
2014 Stock Repurchase Program [Member]            
Equity Class Of Treasury Stock [Line Items]            
Share Repurchase Program, Authorized Amount           $ 50,000,000
Share repurchased during period, shares         806,000  
Share repurchased, average price paid per share         $ 27.79  
Share repurchased during period, value         $ 22,409,000  
Share repurchase program termination date Oct. 31, 2018          
2014 Stock Repurchase Program [Member] | Common Stock [Member]            
Equity Class Of Treasury Stock [Line Items]            
Share repurchased during period, shares   0        
2018 Share Repurchase Program [Member]            
Equity Class Of Treasury Stock [Line Items]            
Share Repurchase Program, Authorized Amount $ 50,000,000       $ 50,000,000  
Share Repurchase Program, Remaining Authorized Repurchase Amount   $ 50,000,000