XML 43 R40.htm IDEA: XBRL DOCUMENT v2.4.0.6
1. Significant Accounting Policies Warranty rollforward (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Movement in Standard Product Warranty Accrual [Roll Forward]    
Warranty accrual, beginning of period $ 16.4 $ 18.3
Provision for warranty 19.8 21.1
Actual warranty costs (19.8) (23.0)
Warranty accrual, end of period $ 16.4 $ 16.4