v3.8.0.1
Shareholders' Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Dec. 29, 2017
Dec. 29, 2017
Dec. 30, 2016
Aug. 31, 2017
Jun. 30, 2017
Shareholders Equity [Line Items]          
Ordinary shares, authorized share capital 500,000,000 500,000,000     500,000,000
Ordinary shares, par value $ 0.01 $ 0.01     $ 0.01
Preferred shares, shares authorized 5,000,000 5,000,000     5,000,000
Preferred shares, par value $ 0.01 $ 0.01     $ 0.01
Amount of repurchased ordinary shares       $ 30.0  
Shares repurchase issued and outstanding 315,973 315,973      
Treasury stock acquired, average cost per share $ 31.36 $ 31.36      
Treasury stock, retired, cost method, amount $ 9.9 $ 9.9      
Treasury Stock, carrying basis $ 20.1 $ 20.1      
Stock Plan Nineteen Ninety Nine and Twenty Ten          
Shareholders Equity [Line Items]          
Ordinary shares issued upon exercise of options   62,631 365,066    
Ordinary shares issued upon exercise of options, weight average exercise price   $ 15.80 $ 16.02    
Ordinary shares issued upon vesting of restricted shares   194,174