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Goodwill and Other Intangible Assets - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Sep. 29, 2018 USD ($) | Sep. 30, 2017 USD ($) | Dec. 30, 2017 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |
Gain on sale and license of intangible asset |  | $ 6,000,000 |
Carrying value |  | $ 0 |
Goodwill | $ 282,939,000 |  | $ 279,505,000
Office Furniture |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill | 96,439,000 |  | $ 96,449,000
One Reporting Unit | Office Furniture |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill increase (decrease) for 100 basis point increase in discount rate | 3,800,000 |  |
Goodwill increase (decrease) for 100 basis point decrease in terminal growth rate | 1,800,000 |  |
Goodwill | $ 19,600,000 |  |
Discount Rate | One Reporting Unit | Office Furniture |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill impairment test measurement input | 0.135 |  |
Terminal Growth Rate | One Reporting Unit | Office Furniture |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill impairment test measurement input | 0.03 |  |
Minimum | Near Term Growth Rate | One Reporting Unit | Office Furniture |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill impairment test measurement input | 0.03 |  |
Maximum | Near Term Growth Rate | One Reporting Unit | Office Furniture |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill impairment test measurement input | 0.12 |  |

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