Schedule II - Valuation of Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	May 28, 2017	May 29, 2016	May 31, 2015
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 29.6	$ 25.3	$ 21.0
Additions charged to expense, including translation amounts	16.6	21.4	19.8
Deductions for bad debt write-offs and amounts utilized for restructuring activities	(23.2)	(17.5)	(12.5)
Adjustments	1.3	0.4	(3.0)
Balance at end of year	24.3	29.6	25.3
Valuation Allowance for Deferred Tax Assets [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	227.0	215.4	221.6
Additions charged to expense, including translation amounts	5.2	(1.5)	2.9
Adjustments	(0.4)	13.1	(9.1)
Balance at end of year	231.8	227.0	215.4
Reserve for Restructuring and Other Exit Costs [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	76.6	120.8	3.5
Additions charged to expense, including translation amounts	104.0	70.2	185.1
Deductions for bad debt write-offs and amounts utilized for restructuring activities	(95.6)	(114.4)	(67.8)
Balance at end of year	85.0	76.6	120.8
Reserve for LIFO Valuation [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	219.3	214.2	216.9
Increase (decrease)	(10.2)	5.1	(2.7)
Balance at end of year	$ 209.1	$ 219.3	$ 214.2