Severances And Related Costs (Details) (Resilient Flooring [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs	$ 5.2
Europe [Member]
Schedule Of Severances And Related Costs [Line Items]
Positions eliminated	40
Europe [Member] | Cost Of Goods Sold [Member]
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs	1.8
Europe [Member] | SG&A [Member]
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs	1.0
Pacific Rim [Member]
Schedule Of Severances And Related Costs [Line Items]
Positions eliminated	40
Pacific Rim [Member] | Cost Of Goods Sold [Member]
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs	$ 2.4