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Guarantees (Tables)
12 Months Ended
Dec. 31, 2014
Standard Product Warranty Disclosure [Abstract]  
Summary of Changes in the Accrued Product Warranties
Changes in the accrual for product warranties in 2014 are set forth below (in millions):

BALANCE AT DECEMBER 31, 2013
$
6.6

Provision
18.3

Expenditures/other
(11.2
)
BALANCE AT DECEMBER 31, 2014
$
13.7