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Product Warranties (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Product Liability Contingency [Line Items]
Product Warranties Issued	$ 4.3
Product Warranties Payments	(4.9)
Product Warranty Accrual	$ 3.6	$ 4.2

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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