Summary of Significant Accounting Policies (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012 year	Dec. 31, 2011	Dec. 31, 2010
Revenue Recognition
Period for which products are warranted to be free from defect (in years)	1
Shipping and handling costs
Shipping and handling costs	$ 30.5	$ 28.7	$ 20.8
Advertising
Advertising expenses	$ 7.5	$ 8.1	$ 9.1

Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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+ Details