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1. Basis of Presentation and Use of Estimates Immaterial Error Corrections (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2012
Cost of goods sold, immaterial error [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement in Current Year Financial Statements, Amount | $ 4.1
Interest expense, immaterial error [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement in Current Year Financial Statements, Amount | 1.2
Other (income) expense, net, immaterial error [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement in Current Year Financial Statements, Amount | 0.8
Income tax benefit, immaterial error [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement in Current Year Financial Statements, Amount | (0.7)
2007 through 2011 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | 6.1
First quarter of 2011 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | (1.6)
2008 through 2011 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | 0.9
2007 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | 1.1
2008 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | 1.5
2009 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | 1.3
2010 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | 1.6
2011 [Member] |
Quantifying Misstatement in Current Year Financial Statements [Line Items] |
Quantifying Misstatement Amount | $ (0.1)

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- Definition Amount of each individual error being corrected in the correcting adjustment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 1 -Section N Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 1.N.Q3) -URI http://asc.fasb.org/extlink&oid=6369664&loc=d3e30840-122693 + Details
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