Acquisitions (Narrative) (Details) In Thousands, unless otherwise specified	12 Months Ended						12 Months Ended			0 Months Ended		0 Months Ended	12 Months Ended		0 Months Ended			12 Months Ended					0 Months Ended			12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2012 Laminate and Wood Segment [Member] USD ($)	Dec. 31, 2011 Laminate and Wood Segment [Member] USD ($)	Dec. 31, 2013 Laminate and Wood Segment [Member] USD ($)	Dec. 31, 2012 Ceramic Segment [Member] USD ($)	Dec. 31, 2013 Ceramic Segment [Member] USD ($)	Dec. 31, 2011 Ceramic Segment [Member] USD ($)	Jan. 10, 2013 Pergo [Member] USD ($)	Dec. 31, 2013 Pergo [Member] USD ($)	Apr. 03, 2013 Marrazzi Group [Member] USD ($)	Dec. 31, 2013 Marrazzi Group [Member] USD ($)	Dec. 31, 2013 Marrazzi Group [Member] EUR (€)	May 03, 2013 Spano Invest NV [Member] USD ($)	Dec. 31, 2013 Spano Invest NV [Member] USD ($)	Jan. 31, 2013 3.85% Notes, Payable February 1, 2023 [Member]	Dec. 31, 2013 Selling, General and Administrative Expenses [Member] USD ($)	Dec. 31, 2012 Selling, General and Administrative Expenses [Member] USD ($)	Dec. 31, 2011 Selling, General and Administrative Expenses [Member] USD ($)	Dec. 31, 2013 Selling, General and Administrative Expenses [Member] Marrazzi Group [Member] USD ($)	Dec. 31, 2013 Other Expense [Member] Marrazzi Group [Member] USD ($)	Apr. 03, 2013 Customer Relationships [Member] Marrazzi Group [Member] USD ($)	Jan. 10, 2013 Trademarks [Member] Pergo [Member] USD ($)	Apr. 03, 2013 Trademarks [Member] Marrazzi Group [Member] USD ($)	Dec. 31, 2012 Pro Forma [Member] Marrazzi Group [Member] USD ($)
Business Acquisition [Line Items]
Enterprise value										$ 145,000		$ 1,522,731			$ 160,000
Assumed indebtedness												901,773
Cash payments to acquire entity												307,052
Shares issued for acquisition, in shares												2,874
Shares issued for acquisition, value												313,906
Interest rate percentage																	3.85%
Acquisition transaction-related costs													15,660					14,199	0	0	14,199	1,461
Customer relationships										15,188													21,792
Customer relationships, useful life																							10 years
Tradenames																								16,834	215,357
Pro forma net sales													897,112
Pro forma net loss													8,992
Inventory step up, amortization													31,041													22,242
Accounts receivable, Securitization Facility														15,383
Goodwill	1,736,092	1,385,771	1,375,175	730,788	720,192	808,210	654,983	927,882	654,983	18,456	18,456	279,083			36,639	36,639
Equity investment percentage acquired				49.00%	34.00%
Payments to acquire equity investment	0		0	(7,007)			(35,000)
Acquisitions, net of cash acquired	$ 443,466	$ 0	$ 24,097		$ 24,097