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Reportable Segment Information (Net Sales By Product Category) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Revenue from External Customer [Line Items]
Net sales	$ 2,175,882	$ 2,203,489	$ 2,304,419
Systems and storage
Revenue from External Customer [Line Items]
Net sales	1,069,518	1,072,518	1,140,369
Seating
Revenue from External Customer [Line Items]
Net sales	536,501	539,839	561,392
Other
Revenue from External Customer [Line Items]
Net sales	54,704	91,528	76,043
Hearth Products
Revenue from External Customer [Line Items]
Net sales	$ 515,159	$ 499,604	$ 526,615

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+ References

No definition available.

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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=63488584&loc=d3e20235-122688

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