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Expected Amortization Expense for Acquired Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 28, 2012
Dec. 30, 2011
Dec. 28, 2012
Dec. 30, 2011
Mar. 30, 2012
Goodwill And Other Intangible Asset [Line Items]          
For the nine months ended December 28, 2012 $ 3,960 $ 4,752 $ 12,065 $ 14,291  
Expected for the remainder of fiscal year 2013 3,537   3,537    
Expected for fiscal year 2014 13,880   13,880    
Expected for fiscal year 2015 13,804   13,804    
Expected for fiscal year 2016 10,204   10,204    
Expected for fiscal year 2017 4,629   4,629    
Thereafter 5,015   5,015    
Other acquired intangible assets, net $ 51,069   $ 51,069   $ 63,041