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Significant Accounting and Reporting Policies - Schedule of Goodwill and Indefinite-lived Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	May 28, 2016	May 30, 2015	May 31, 2014
Goodwill [Roll Forward]
Beginning balance (in usd)	$ 303.1	$ 228.2
Goodwill acquired during period	3.2	75.6
Foreign currency translation adjustments	(0.4)	(0.7)
Impairment charges	(0.6)	0.0
Ending balance (in usd)	305.3	303.1	$ 228.2
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance (in usd)	85.2	40.9
Indefinite-lived intangible assets acquired during period	0.0	55.1
Foreign currency translation adjustments	0.0	0.0
Impairment charges	0.0	(10.8)	(21.4)
Ending balance (in usd)	85.2	85.2	40.9
Goodwill And Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance (in usd)	388.3	269.1
Goodwill and indefinite lived intangible assets acquired during the period	3.2	130.7
Foreign currency translation adjustments	(0.4)	(0.7)
Impairment charges	(0.6)	(10.8)
Ending balance (in usd)	$ 390.5	$ 388.3	$ 269.1

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
-Name Accounting Standards Codification
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