Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Accrued Warranty Liability

The following is a rollforward of our accrued warranty liability ($ in millions):

Balance, December 31, 2016	$	65.0
Accruals for warranties issued during the period	35.8
Settlements made	(34.1		)
Effect of foreign currency translation	0.2
Balance, June 30, 2017	$	66.9