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Warranties (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Product Warranties Disclosures [Abstract]
Warranty expense	$ 1.7us-gaap_ProductWarrantyExpense	$ 2.3us-gaap_ProductWarrantyExpense
Current liabilities	9.3		9.6
Non-current liabilities	$ 1.1		$ 1.1

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. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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