Schedule II - Valuation of Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	May 27, 2018	May 28, 2017	May 29, 2016
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 24.3	$ 29.6	$ 25.3
Additions charged to expense, including translation amounts	26.7	16.6	21.4
Deductions for bad debt write-offs and amounts utilized for restructuring activities	(26.9)	(23.2)	(17.5)
Adjustments	4.3	1.3	0.4
Balance at end of year	28.4	24.3	29.6
Valuation Allowance for Deferred Tax Assets [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	231.8	227.0	215.4
Additions charged to expense, including translation amounts	2.4	5.2	(1.5)
Adjustments	(58.2)	(0.4)	13.1
Balance at end of year	176.0	231.8	227.0
Reserve for Restructuring and Other Exit Costs [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	85.0	76.6	120.8
Additions charged to expense, including translation amounts	40.3	104.0	70.2
Deductions for bad debt write-offs and amounts utilized for restructuring activities	(58.5)	(95.6)	(114.4)
Balance at end of year	66.8	85.0	76.6
Reserve for LIFO Valuation [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	209.1	219.3	214.2
Increase (decrease)	4.1	(10.2)	5.1
Balance at end of year	$ 213.2	$ 209.1	$ 219.3