Fair Value Measurements (Details) (USD $) In Millions	May 29, 2011	May 30, 2010
Fair Value, Measurements, Recurring [Member]
Assets:
Derivative assets	$ 71.50	$ 61.80
Available-for-sale securities	1.7	1.8
Deferred compensation assets	7.4	7.1
Total assets	80.6	70.7
Liabilities:
Derivative liabilities	92.2	10.1
Deferred and share-based compensation liabilities	29.1	22.1
Total liabilities	121.3	32.2
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
Assets:
Derivative assets	16.30	5.70
Available-for-sale securities	1.7	1.8
Deferred compensation assets	7.4	7.1
Total assets	25.4	14.6
Liabilities:
Derivative liabilities	0	0.3
Deferred and share-based compensation liabilities	29.1	22.1
Total liabilities	29.1	22.4
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Assets:
Derivative assets	55.20	56.10
Available-for-sale securities	0	0
Deferred compensation assets	0	0
Total assets	55.2	56.1
Liabilities:
Derivative liabilities	92.2	9.8
Deferred and share-based compensation liabilities	0	0
Total liabilities	92.2	9.8
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Assets:
Derivative assets	0	0
Available-for-sale securities	0	0
Deferred compensation assets	0	0
Total assets	0	0
Liabilities:
Derivative liabilities	0	0
Deferred and share-based compensation liabilities	0	0
Total liabilities	0	0
Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member]
Assets:
Total assets		0
Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member]
Assets:
Total assets		0
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member]
Assets:
Total assets		$ 65.4