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Goodwill and Acquired Intangible Assets (Details 3) (USD $)
In Thousands, unless otherwise specified
Jun. 01, 2013
Expected Amortization [Line Items]  
Fiscal year 2011 $ 5,908
Fiscal year 2012 5,696
Fiscal year 2013 5,633
Fiscal year 2014 5,499
Fiscal year 2015 $ 5,261