XML 68 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
Acquisition and Divestitures (Acquisition Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
May 27, 2018
May 27, 2018
May 28, 2017
May 29, 2016
Business Acquisition [Line Items]        
Equity issuance   $ 969.9 $ 0.0 $ 0.0
Goodwill, Acquired During Period   5,294.9 0.0 83.5
Indefinite-lived Intangible Assets Acquired   3,015.0 0.0 30.1
Net interest expense   373.7 295.1 $ 303.8
Business Acquisition, Blue Buffalo [Member]        
Business Acquisition [Line Items]        
Aggregate purchase price   8,000.0    
Consideration for net debt repaid   $ 103.0    
Cash received per share $ 40 $ 40    
Debt assumption   $ 6,000.0    
Equity issuance   1,000.0    
Goodwill, Acquired During Period   5,300.0    
Acquisition integration costs $ 64.5   83.9  
Purchase accounting adjustment related to amortization of identifiable intangible assets   13.5 13.5  
Net interest expense   238.7 238.7  
Net earnings attributable to General Mills (pro forma)   2,252.4 1,540.2  
Increase to cost of sales included in pro forma amounts, reflecting impact of using LIFO method of inventory valuation   5.1 1.6  
Related tax effects of pro forma amounts   14.5 125.1  
Business Acquisition, Blue Buffalo [Member] | Fair Value Adjustment to Inventory [Member]        
Business Acquisition [Line Items]        
Net earnings attributable to General Mills (pro forma)     $ 52.7  
Business Acquisition, Blue Buffalo [Member] | Selling, general, and administrative [Member]        
Business Acquisition [Line Items]        
Acquisition integration costs   34.0    
Business Acquisition, Blue Buffalo [Member] | Interest Expense [Member]        
Business Acquisition [Line Items]        
Acquisition integration costs   49.9    
Business Acquisition, Blue Buffalo [Member] | Customer Relationships [Member]        
Business Acquisition [Line Items]        
Finite-lived Intangible Assets Acquired   269.0    
Business Acquisition, Blue Buffalo [Member] | Blue Buffalo Brand [Member]        
Business Acquisition [Line Items]        
Indefinite-lived Intangible Assets Acquired   $ 2,700.0