Warranties (Details) (USD $) In Millions	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Changes in the accruals for warranties
Beginning balance	$ 12.7	$ 19.6	$ 13.2	$ 19.6
Warranty costs incurred	(1.4)	(1.3)	(2.7)	(2.2)
Warranty originations and revisions	0.9	1.3	2.5	2.9
Warranty expirations	(0.2)	(1.0)	(1.0)	(1.7)
Ending balance	$ 12.0	$ 18.6	$ 12.0	$ 18.6
Warranties (Textuals)
Range of warranties period			one to five years

Product Warranty Accrual Warranties Expirations.

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- Definition

Range of warranties period.

+ Details

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- Definition

Warranties Textuals Abstract.

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ Details

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- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 15
-Subparagraph 5
-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10

+ Details

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- Definition

Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

+ Details

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- Definition

Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

+ Details

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