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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Goodwill [Line Items] |  |  |
Goodwill impairment | $ 2,876 | $ 2,963 |
Goodwill | 290,699 | 277,650 | $ 279,310
Capitalized software, amortization | 4,700 | 3,500 | 3,300
Amortization expense for definite-lived intangibles | 7,100 | 7,600 | $ 7,200
Trademarks and trade names |  |  |
Goodwill [Line Items] |  |  |
Trade names, net value | $ 38,100 | $ 41,000 |
Office furniture reporting unit one |  |  |
Goodwill [Line Items] |  |  |
Discount rate utilized for each reporting unit with rates range (percent) | 14.00% |  |
Terminal growth (percent) | 3.00% |  |
Goodwill impairment | $ 2,900 |  |
Goodwill | 6,300 |  |
Decrease in reporting unit due to 100 basis point increase in discount rate | 2,900 |  |
Decrease in reporting unit due to 100 basis point decrease in long-term growth rate | $ 1,200 |  |
Office furniture reporting unit one | Trademarks and trade names |  |  |
Goodwill [Line Items] |  |  |
Terminal growth (percent) | 3.00% |  |
Intangible assets impairment | $ 2,900 |  |
Trade names, net value | $ 8,300 |  |
Royalty rate (percent) | 3.00% |  |
Decrease in indefinite-lived trade name due to 50 decrease in royalty rate | $ 1,700 |  |
Decrease in indefinite-lived trade name due to 50 point decrease in terminal growth rate | $ 100 |  |
Office furniture reporting unit one | Minimum |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | (25.00%) |  |
Office furniture reporting unit one | Minimum | Trademarks and trade names |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | 1.00% |  |
Office furniture reporting unit one | Maximum |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | 9.00% |  |
Office furniture reporting unit one | Maximum | Trademarks and trade names |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | 9.00% |  |
Office furniture reporting unit two |  |  |
Goodwill [Line Items] |  |  |
Discount rate utilized for each reporting unit with rates range (percent) | 14.00% |  |
Terminal growth (percent) | 3.00% |  |
Goodwill | $ 24,500 |  |
Decrease in reporting unit due to 100 basis point increase in discount rate | 4,500 |  |
Decrease in reporting unit due to 100 basis point decrease in long-term growth rate | $ 1,900 |  |
Fair value exceeds carrying value (percent) | 5.00% |  |
Office furniture reporting unit two | Minimum |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | 3.00% |  |
Office furniture reporting unit two | Maximum |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | 7.00% |  |
Office furniture reporting unit three |  |  |
Goodwill [Line Items] |  |  |
Discount rate utilized for each reporting unit with rates range (percent) | 16.00% |  |
Terminal growth (percent) | 3.00% |  |
Goodwill | $ 14,100 |  |
Fair value exceeds carrying value (percent) | 18.00% |  |
Decrease in fair value for every 100 basis point increase in discount rate | $ 3,200 |  |
Decrease in fair value for every 100 basis point decrease in long-term growth rate | $ 1,100 |  |
Office furniture reporting unit three | Minimum |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | 4.00% |  |
Office furniture reporting unit three | Maximum |  |  |
Goodwill [Line Items] |  |  |
Near term growth (percent) | 20.00% |  |

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