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Stock-Based Compensation Stock-Based Compensation - Phantom (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Nov. 29, 2014
Nov. 30, 2013
Nov. 29, 2014
Nov. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 1.0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense $ 1.0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense $ 2.1us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense $ 2.0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense