Acquisitions (Details)	12 Months Ended						12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 Dal-Tile [Member] USD ($)	Jun. 30, 2012 Dal-Tile [Member]	Dec. 31, 2010 Dal-Tile [Member]	Dec. 31, 2012 Unilin [Member] USD ($)	Dec. 31, 2011 Unilin [Member] USD ($)	Jan. 10, 2013 Prego [Member] Subsequent Event [Member] USD ($)	Dec. 20, 2012 Marrazzi Group [Member] EUR (€)	Jan. 28, 2013 Spano Invest NV [Member] Subsequent Event [Member] EUR (€)
Business Acquisition [Line Items]
Cost of acquired business									$ 150,000,000	€ 1,170,000,000	€ 125,000,000
Equity investment percentage acquired					49.00%	34.00%
Payments to acquire equity investment	(7,007,000)	0	(79,917,000)	(35,000,000)			7,007,000
Acquisitions, net of cash acquired	$ 0	$ (24,097,000)	$ 0					$ (24,097,000)