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Stock Based Compensation - Stock Option Grants (Detail) - $ / shares
12 Months Ended
Apr. 30, 2014
Jan. 01, 2016
Dec. 26, 2014
Dec. 27, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Options Granted (shares)   0 161,000 756,000
Exercise Price (usd per share)   $ 0.00 $ 28.89 $ 27.74
Fair Value (usd per share)   $ 0.00 $ 6.26 $ 8.11
2014 Omnibus Share Incentive Plan (2014 Plan) | Chairman and Chief Executive Officer        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Options Granted (shares) 161,000      
Exercise Price (usd per share) $ 28.89      
Fair Value (usd per share) $ 6.26