Supplemental Guarantor and Non-Guarantor Financial Information Supplemental Guarantor and Non-Guarantor Financial Information Textual (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Guarantor Subsidiaries [Member] | Cost of Sales [Member]
Prior Period Reclassification Adjustment	$ (2.3)
Guarantor Subsidiaries [Member] | Other Expense [Member]
Prior Period Reclassification Adjustment	0.9
Non-Guarantor Subsidiaries [Member] | Cost of Sales [Member]
Prior Period Reclassification Adjustment	2.3
Non-Guarantor Subsidiaries [Member] | Other Expense [Member]
Prior Period Reclassification Adjustment	$ (0.9)