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Performance Contingent ROIC Shares (Detail) - Return On Invested Capital - 2019 Award - Omnibus Plan - $ / shares
shares in Thousands
12 Months Ended
May 23, 2019
Dec. 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted 11 440
Vesting date Mar. 01, 2022 Mar. 01, 2022
Fair value per share $ 23.08 $ 18.29