Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012	Mar. 19, 2014	Sep. 22, 2014	Jul. 01, 2013	Nov. 02, 2012	Nov. 28, 2012
Business Acquisition [Line Items]
Accrued consideration for working capital adjustment in acquisitions	$ (216)	$ (1,307)	$ (2,445)
Total purchase price consideration			2,580
Goodwill	3,389	3,389	1,680
Gain on purchase of business	11,110	0	0
Atlas Carpet Mills [Member]
Business Acquisition [Line Items]
Transaction costs of acquisition				645
Cash paid	16,543
Accrued consideration for working capital adjustment in acquisitions	1,293
Accrued consideration for holdbacks	923
Total purchase price consideration	18,759
Cash				2,466
Receivables				4,998
Inventories				10,981
Other current assets				797
Assets held for sale				5,152
Property, plant and equipment				6,716
Finite intangible assets				3,300
Other assets				859
Accounts payable				(2,286)
Accrued expenses				(2,883)
Capital lease obligation				(404)
Fair value of net assets acquired				29,696
Gain on purchase of business	(10,937)
After tax gain on purchase of business	6,781
Revenue of Atlas since acquisition date	37,620
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]
Receivables	694
Inventories	(530)
Other current assets	(159)
Assets held for sale	1,902
Property, plant, and equipment	(213)
Other assets	236
Accrued expenses	153
Fair value of net assets acquired	2,083
Consideration transferred	(110)
Change in bargain gain, pretax	(2,193)
Change in bargain gain, after-tax	1,360
Atlas Carpet Mills [Member] | Estimate of Fair Value Measurement [Member]
Business Acquisition [Line Items]
Total purchase price consideration	18,869
Cash				2,466
Receivables				4,304
Inventories				11,511
Other current assets				956
Assets held for sale				3,250
Property, plant and equipment				6,929
Finite intangible assets				3,300
Other assets				623
Accounts payable				(2,286)
Accrued expenses				(3,036)
Capital lease obligation				(404)
Fair value of net assets acquired				27,613
Gain on purchase of business	(8,744)
Burtco Enterprises [Member]
Business Acquisition [Line Items]
Transaction costs of acquisition					101
Cash paid	2,430
Accrued consideration for working capital adjustment in acquisitions	119
Total purchase price consideration	2,549
Fair value of net assets acquired					2,722
Gain on purchase of business	(173)
Robertex [Member]
Business Acquisition [Line Items]
Transaction costs of acquisition						350
Cash paid		2,278
Seller-financed note		3,749
Accrued consideration for holdbacks		1,307
Total purchase price consideration		7,334
Cash						108
Receivables						115
Inventories						2,139
Other current assets						14
Property, plant and equipment						1,863
Finite intangible assets						2,222
Goodwill						1,709
Accounts payable						(643)
Accrued expenses						(193)
Colormaster [Member]
Business Acquisition [Line Items]
Transaction costs of acquisition							269
Cash paid			239
Seller-financed note			5,500
Accrued consideration for holdbacks			823
Total purchase price consideration			6,562
Inventories							173
Other current assets							18
Property, plant and equipment							6,371
Crown Rug [Member]
Business Acquisition [Line Items]
Transaction costs of acquisition								49
Cash paid			958
Deferred payments to seller			471
Accrued consideration for holdbacks			1,151
Total purchase price consideration			2,580
Property, plant and equipment								590
Finite intangible assets								352
Goodwill								1,680
Accrued expenses								$ (42)