Warranty Costs (Tables)

6 Months Ended

Jun. 30, 2019

Guarantees [Abstract]

Changes in Carrying Amount of Accrued Product Warranty Costs

Changes in the carrying amount of accrued product warranty costs for each of the quarters ended June 30, 2019 and 2018 are as follows:

	June 30, 2019			June 30, 2018
Balance at beginning of period	$	9.4		$	7.5
Accrued current period warranty expense		2.0			0.5
Payments and adjustments		(1.2	)		(1.4	)
Balance at end of period	$	10.2		$	6.6