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Commitments and Contingencies - Warranties (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 30, 2013 | Dec. 01, 2012 | Nov. 30, 2013 | Dec. 01, 2012
Schedule of Warranty Accrual [Line Items] |  |  |  |
Warranty Length |  |  | 12 years |
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] |  |  |  |
Accrual Balance — beginning | $ 24.6 | $ 23.6 | $ 24.8 | $ 22.2
Accrual for warranty matters | 5.4 | 4.6 | 10.3 | 11.4
Settlements and adjustments | (5.2) | (4.8) | (10.3) | (10.2)
Accrual Balance — ending | $ 24.8 | $ 23.4 | $ 24.8 | $ 23.4

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(5)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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