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Revenue from Contracts with Customers - Revenue Disaggregated By Product Type And Reportable Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 01, 2018 | Dec. 02, 2017 | Dec. 01, 2018 | Dec. 02, 2017
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 652.6 | $ 604.6 | $ 1,277.3 | $ 1,184.8
North American Furniture Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 353.2 | 330.5 | 696.9 | 659.0
North American Furniture Solutions | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 143.5 |  | 288.1 |
North American Furniture Solutions | Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 100.0 |  | 196.6 |
North American Furniture Solutions | Freestanding and storage |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 78.5 |  | 153.2 |
North American Furniture Solutions | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 31.2 |  | 59.0 |
ELA Furniture Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 118.5 | 113.0 | 234.0 | 206.4
ELA Furniture Solutions | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 28.4 |  | 51.1 |
ELA Furniture Solutions | Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 62.1 |  | 130.8 |
ELA Furniture Solutions | Freestanding and storage |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 13.9 |  | 24.3 |
ELA Furniture Solutions | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 14.1 |  | 27.8 |
Specialty |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 81.6 | 74.4 | 158.9 | 149.5
Specialty | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1.8 |  | 3.3 |
Specialty | Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 26.9 |  | 55.9 |
Specialty | Freestanding and storage |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 19.5 |  | 32.3 |
Specialty | Textiles |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 4.0 |  | 9.0 |
Specialty | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 29.4 |  | 58.4 |
Consumer |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 99.3 | $ 86.7 | 187.5 | $ 169.9
Consumer | Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.1 |  | 0.1 |
Consumer | Seating |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 58.1 |  | 111.8 |
Consumer | Freestanding and storage |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 16.8 |  | 34.0 |
Consumer | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 24.3 |  | $ 41.6 |

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