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Employee Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Nov. 30, 2013
Dec. 01, 2012
Nov. 30, 2013
Dec. 01, 2012
United States Pension Plan of US Entity, Defined Benefit [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Cash Contributions Required to Terminate Plan $ 48.6      
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements (158.2) (16.0) (158.2) (16.0)
Service cost 0 0 0 1.9
Interest cost 2.6 2.9 5.2 5.8
Expected return on plan assets (1.9) (3.2) (3.8) (6.3)
Net amortization loss 2.4 3.1 4.8 6.2
Net periodic benefit cost 161.3 18.8 164.4 23.6
United States Pension Plan of US Entity, Defined Benefit [Member] | Cost of Sales [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements (49.3)      
United States Pension Plan of US Entity, Defined Benefit [Member] | Operating Expense [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements (108.9)      
United States Pension Plan of US Entity, Defined Benefit [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements (137.7)      
Foreign Pension Plan, Defined Benefit [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 0 0
Interest cost 1.0 0.9 2.0 1.8
Expected return on plan assets (1.2) (1.2) (2.4) (2.4)
Net amortization loss 0.4 0.4 0.8 0.7
Net periodic benefit cost 0.2 0.1 0.4 0.1
United States Postretirement Benefit Plan of US Entity, Defined Benefit [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements 0 0 0 0
Service cost 0 0 0 0
Interest cost 0.1 0.1 0.2 0.2
Expected return on plan assets 0 0 0 0
Net amortization loss 0 0 0 0.1
Net periodic benefit cost $ 0.1 $ 0.1 $ 0.2 $ 0.3