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Operating Segments - Revenue from External Customers by Products and Services (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
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May. 30, 2015 | Feb. 28, 2015 | [1] | Nov. 29, 2014 | [1] | Aug. 30, 2014 | [1] | May. 31, 2014 | [1] | Mar. 01, 2014 | [1] | Nov. 30, 2013 | [1] | Aug. 31, 2013 | [1] | Jun. 01, 2013 | Mar. 02, 2013 | Dec. 01, 2012 | Sep. 01, 2012 | May. 30, 2015 | May. 31, 2014 | Jun. 01, 2013
Revenue from External Customer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 550.7 | $ 516.4 | $ 565.4 | $ 509.7 | $ 487.5 | $ 455.9 | $ 470.5 | $ 468.1 | $ 460.0 | $ 423.5 | $ 441.8 | $ 449.7 | $ 2,142.2 | $ 1,882.0 | $ 1,774.9
Systems |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  |  | 563.4 | 571.6 | 572.9
Seating |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  |  | 805.5 | 658.2 | 609.8
Freestanding And Storage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  |  | 484.1 | 386.4 | 395.0
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | [2] |  |  |  |  |  |  |  |  |  |  |  |  | $ 289.2 | $ 265.8 | $ 197.2
[1] | The sum of the quarters does not equal the annual balance reflected in the Consolidated Statements of Comprehensive Income due to rounding associated with the calculations on an individual quarter basis.
[2] | “Other” primarily consists of textiles or uncategorized product sales and service sales.

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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