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Shareholders' Equity - Narrative (Details) - USD ($)
1 Months Ended 6 Months Ended
Jul. 29, 2015
Jul. 30, 2019
Jun. 28, 2019
Jun. 29, 2018
Dec. 28, 2018
Feb. 21, 2018
Class of Stock [Line Items]            
Preferred shares, shares authorized (shares)     50,000,000   50,000,000  
Preferred shares, par value (usd per share)     $ 0.01   $ 0.01  
Preferred shares, issued (shares)     0   0  
Preferred shares, outstanding (shares)     0   0  
Ordinary shares, authorized (shares)     200,000,000   200,000,000  
Ordinary shares, par value (usd per share)     $ 0.01   $ 0.01  
Ordinary shares, issued (shares)     48,301,093   48,442,296  
Ordinary shares, outstanding (shares)     48,301,093   48,442,296  
Stock Repurchase Program:            
Duration of share repurchase program 3 years          
Stock repurchase program, ordinary shares authorized           $ 300,000,000
Stock repurchase program, value of ordinary shares repurchased and retired     $ 28,800,000      
Stock repurchase program, ordinary shares repurchased and retired (shares)     877,869      
Stock repurchase program, remaining authorized repurchase amount     $ 271,200,000      
Stock repurchased during period (shares)     365,569 218,232    
Payments of dividends, common stock     $ 0 $ 14,600,000    
Subsequent Event            
Stock Repurchase Program:            
Stock repurchased during period (shares)   356,549        
Amount of stock repurchased during period   $ 8,700,000        
Share price (in usd per share)   $ 24.35