XML 41 R40.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Changes in Warranty Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Commitments Disclosure [Line Items]    
Balance at January 1 $ 6.8 $ 6.7
Provisions to expense 4.5 3.6
Payments (3.7) (3.4)
Balance at June 30 $ 7.6 $ 6.9