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Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Changes in Carrying Amount of Service and Product Warranties
The changes in the carrying amount of service and product warranties of continuing operations for the six months ended June 30, 2018 were as follows:  
In millions
June 30,
2018
Beginning balance
$
38.1

Service and product warranty provision
32.6

Payments
(27.4
)
Foreign currency translation
(0.6
)
Ending balance
$
42.7