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Commitments and Contingencies Commitments and Contingencies (Extended Warranty Accrual) (Details) (Extended Warranty [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Extended Warranty [Member]
   
Balance at beginning of period $ 359.1 $ 375.1
Amortization of deferred revenue for the period (24.0) (23.7)
Additions for extended warranties issued during the period 17.9 21.2
Changes to accruals related to preexisting warranties (2.4) 2.5
Translation (0.5) (0.3)
Balance at end of period $ 350.1 $ 374.8