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Stock-Based Employee Compensation - Restricted Stock Unit Narrative (Details) - Restricted Stock Units (RSUs) - USD ($)
shares in Thousands, $ in Millions
12 Months Ended
Sep. 23, 2010
Apr. 01, 2018
Apr. 02, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period of restricted stock units from grant date (in years) 4 years    
Annual award vesting percentage 25.00%    
Restricted stock outstanding (in shares)   4,479 3,840
Restricted stock expected to vest (in shares)   3,900  
Weighted average remaining contractual life (in years)   1 year 2 months 1 day  
Aggregate intrinsic value   $ 119.6  
Compensation cost not yet recognized   $ 36.0  
Period for recognition (in years)   1 year 3 months 15 days  
2004 Equity Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock outstanding (in shares)   4,000  
2008 Equity Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock outstanding (in shares)   500