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Share-Based Compensation - Additional Information (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Apr. 02, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Total amount of cash received from stock plan awards $ 0.6 $ 3.0 $ 1.3
Total unrecognized share-based compensation, net of estimated forfeitures, expected recognition period 1 year 10 months 6 days    
Shares reserved for issuance under existing plans 7,828,817    
Shares available for grant 3,590,012    
Stock Options
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total unrecognized share-based compensation, net of estimated forfeitures $ 8.6    
2004 plan
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized 3,000,000    
Shares reserved for issuance under existing plans 4,238,804    
2004 plan | Options and SARs
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 4 years    
Award expiration period 10 years    
ESPP
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized 3,400,000    
Maximum contribution rate by employees 15.00%    
Percentage of fair market value of common stock 85.00%    
Length of offering period 24 months    
Shares available for grant 537,505