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Share-Based Compensation - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Mar. 30, 2013
OptionPlan
EquityPlan
Mar. 31, 2012
Apr. 02, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of equity plans 2    
Number of stock option grants 2    
Intrinsic value of option exercised $ 415.1 $ 109.5  
Cash received from options exercised 30.4 9.7  
Weighted average grant date fair value of option $ 20.66 $ 8.01 $ 3.08
Fair value of restricted shares/units vested during a period 11.3    
Equity compensation expense 20.9 27.0  
Proforma stock based compensation expense     5.3
Unrecognized stock based compensation expense 42.6    
Weighted average period of recognition 4 years 7 months 6 days    
Outstanding option vested 2,057,884    
Outstanding option non-vested 8,323,458    
Estimated value of future forfeitures $ 2.0    
Stock Option Plan 2008
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share authorized for issuance 23,980,823    
Expiration period 10 years    
Omnibus Incentive Plan, Twenty Twelve
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share authorized for issuance 15,246,000    
Shares available for grant 12,903,197    
Expiration period 7 years    
Individual Performance Based Stock Option
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage on achievement of individual performance 20.00%    
Performance target achievement term 10 years    
Individual performance vesting tranches 5    
Company Wide Performance Based Stock Option
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance target achievement term 10 years    
Time Based Option Award
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of installments for vesting period on each of the first, second, third and fourth anniversaries date of award 4    
Restricted Shares
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of installments for vesting period on each of the first, second, third and fourth anniversaries date of award 4    
Share-based compensation, vesting period 4 years    
Unvested stock awards 617,468    
Restricted Share Units
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested stock awards 27,763