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Income Taxes - Unrecognized Tax Benefits (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 01, 2013
Jun. 02, 2012
May 28, 2011
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Unrecognized Tax Benefits $ 1.3 $ 1.6  
Increases related to current year income tax positions 0.4 0.2  
Increases related to prior year income tax positions 0 0  
Decreases related to prior year income tax positions (0.1) (0.3)  
Decreases related to lapse of applicable statute of limitations (0.2) 0  
Decreases related to settlements 0 (0.2)  
Unrecognized Tax Benefits 1.4 1.3 1.6
Interest and penalty expense (income) 0 0 (0.2)
Liability for Interest and penalties $ 0.4 $ 0.5