Severances And Related Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2012	Mar. 31, 2011	Dec. 31, 2010
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs	$ 3.4		$ 6.3
Positions eliminated	35		160
SG&A Expense [Member]
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs	3.2		4.5
Cost Of Goods Sold [Member]
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs	0.2	3.0	1.8
Separation [Member]
Schedule Of Severances And Related Costs [Line Items]
Positions eliminated			500
Separation [Member] | SG&A Expense [Member]
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs		0.5	11.2
Separation [Member] | Cost Of Goods Sold [Member]
Schedule Of Severances And Related Costs [Line Items]
Severance and related costs			$ 5.7