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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended					3 Months Ended
	Aug. 30, 2014	Aug. 30, 2014 Performance Guarantee	May 31, 2014 Performance Guarantee	Aug. 30, 2014 Financial Standby Letter of Credit	May 31, 2014 Financial Standby Letter of Credit	Aug. 30, 2014 Minimum Performance Guarantee	Aug. 30, 2014 Maximum Performance Guarantee	Aug. 30, 2014 Necessary Maintenance And Repairs	Aug. 30, 2014 Other Accrued Liabilities Necessary Maintenance And Repairs	May 31, 2014 Other Accrued Liabilities Necessary Maintenance And Repairs
Schedule of Warranty Accrual
Warranty Length	12 years
Guarantor Obligations, Period						1 year	3 years
Guarantor Obligations, Maximum Exposure, Undiscounted		$ 8.4		$ 10.6
Guarantor Obligations, Current Carrying Value		0	0	0	0
Loss Contingency, Range of Possible Loss, Minimum								0
Loss Contingency, Range of Possible Loss, Maximum								3.0
Loss Contingency Accrual									$ 1.3	$ 1.5

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- Definition

Guarantor Obligations, Period

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- Definition

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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- Definition

Amount of loss contingency liability.

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-Publisher FASB

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The estimated maximum amount of possible loss from the contingency.

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The estimated minimum amount of possible loss from the contingency.

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